836358
ISB0010.1177/0266242619836358International Small Business JournalLiebregts and Stam
research-article2019
is
bj
Small Firms
Article
International Small Business Journal:
Researching Entrepreneurship
2019, Vol. 37(6) 581–603
© The Author(s) 2019
Employment protection legislation
and entrepreneurial activity
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DOI: 10.1177/0266242619836358
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https://doi.org/10.1177/0266242619836358
Werner Liebregts
Tilburg School of Economics and Magement (TiSEM), Tilburg University, the Netherlands
Erik Stam
Utrecht University School of Economics (U.S.E.), Utrecht University, the Netherlands
Abstract
Labour market institutions enable and constrain individual behaviour on the labour market and
beyond. We investigate two main elements of national employment protection legislation and their
effects upon entrepreneurial activity. We use multilevel analyses to estimate the separate impact
of redundancy payments and the notice period for employers on independent entrepreneurship
(self-employment) and entrepreneurial employee activity. Redundancy payments and notice period
reflect labour market friction, opportunity cost, search time and liquidity constraint mechanisms
contained in employment protection legislation. Country-level legislation on the notice period
for employers is found to be positively related to an individual‘s involvement in entrepreneurial
employee activity, yet negatively related to self-employment. We do not find consistent effects of
redundancy pay legislation on entrepreneurial activity.
Keywords
employment protection legislation, entrepreneurial employee activity, labour market frictions,
liquidity constraints, notice period, opportunity costs, redundancy pay, search time, self-employment
Introduction
Institutions, the rules of the game in society (North, 1990), have wide-ranging intended and unintended effects on economic action, and ultimately economic performance (Acemoglu and Robinson,
2012; Chang, 2011; Nickell and Layard, 1999). Institutions enable and constrain economic action
within the domain of entrepreneurship and small businesses (Kitching et al., 2015). Institutions
define the relative rewards for different occupations, and hence, play a key role in the allocation of
talent in society (Acemoglu, 1995; Baumol, 1990; Murphy et al., 1991). The impact of labour
market institutions upon labour market outcomes has been the topic of recurrent policy discussions
Corresponding author:
Werner Liebregts, Jheronimus Academy of Data Science (JADS), Sint Janssingel 92, 5211 DA, ‘s-Hertogenbosch,
the Netherlands.
Emails:
[email protected];
[email protected]
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International Small Business Journal: Researching Entrepreneurship 37(6)
and research (Belot et al., 2007; Blanchard and Tirole, 2008; Holmlund, 2014). Labour market
institutions are usually considered as policy interventions or collective provisions that interfere
with employment and wage determination (Bertola, 1990; Skedinger, 2011) and perhaps unintentionally with occupational choice (Baumann and Brändle, 2012; Bertola and Rogerson, 1997;
Martin and Scarpetta, 2012). One well-rehearsed mode of labour market institution is employment
protection legislation (EPL) consisting of rules and procedures defining employer limits to hire and
fire employees (see OECD, 2013; Skedinger, 2010).
During the second half of the 20th century, many nations – mostly European – enacted laws
employment protection (Holmlund, 2014). The standard argument in favour of such laws is the
protection of employees against unfair dismissal by employers (Bertola, 1992; Bertola et al., 2000).
Opponents argue that employment levels decrease as employers are less likely to hire new employees (Kahn, 2007, 2010). Given the difficulty, and hence, costs of firing employees, attracting new
workers is risky, and so, employers are reluctant to expand recruitment. This reflects labour market
friction mechanisms (Campbell et al., 2017), constraining employee mobility, both in terms of
entering new employment or exiting existing employment.
From an employee stance, EPL imposes opportunity costs upon self-employment (Amit et al.,
1995; Baumann and Brändle, 2012). Opportunity costs are ‘the foregone benefit of the next available alternative as a consequence of making a choice’ (Cassar, 2006: 611). It is suggested that
potential entrepreneurs evaluate the expected utility of their options in the labour market when
choosing to become an independent entrepreneur (Campbell et al., 2017; Douglas and Shepherd,
2000, 2002). However, employees considering self-employment have to forego employment
rights; this may act as a deterrent.
Entrepreneurship can be defined as the discovery, evaluation and exploitation of opportunities to create future goods and services by individuals (Shane and Venkataraman, 2000), and so,
is not limited to those setting up an independent business or owning–managing a new business
for their own risk and reward (Jensen and Meckling, 1976; Knight, 1921). In fact, workers with
entrepreneurial abilities might also opt for engagement in entrepreneurship within established
organisations (Antoncic and Hisrich, 2001, 2003; Carrier, 1994, 1996; Parker, 2011). Labour
mobility across employment and self-employment (Sørensen and Sharkey, 2014), particularly by
employees with entrepreneurial abilities, is likely to be affected by EPL. Put differently, EPL is
expected to affect the allocation of entrepreneurial activity across new and established organisations within a country.
This article examines whether the nature of a country’s EPL has an effect on occupational
status in terms of employment or self-employment. In turn, the category of employed individuals
consists of both employees undertaking entrepreneurial activities for their employer, also referred
to as entrepreneurial employee activity, and those who do not. We use multilevel analyses to disentangle the mechanisms of two main elements of EPL, that is, redundancy pay and the notice
period for employers, and their effect on the allocation of entrepreneurial activity across employment and self-employment. The objective of this article is to provide greater understanding of
how labour market regulations, in particular, two of EPL’s components, affect the allocation of
entrepreneurial talent in society.
We offer a three-fold contribution to the extant literature. First and foremost, entrepreneurial
employees are only recently acknowledged and internationally measured as a separate category
of entrepreneurially active individuals (Bosma et al., 2013b; Stam, 2013). As such, we are able to
take a closer look at the allocation of entrepreneurial activity across employed and self-employed
individuals. Second, we investigate the effects of country-level EPL on individual-level occupational status given most studies focus upon macro effects, such as changes in unemployment,
Liebregts and Stam
583
employment and/or self-employment levels (Holt and Hendrickson, 2017; Kahn, 2010; Torrini,
2005). Accordingly, we answer Shepherd’s (2011) call for more multilevel research on entrepreneurial decision-making. Third, we estimate the separate effects of the two main elements of EPL.
Composite indicies have been used to measure a nation’s entire system of provisions regarding
employment protection; given the complex multidimensional nature of EPL, we provide a more
fine-grained analysis enabling the separation of four key mechanisms in the explanation of the
effects of EPL on entrepreneurship: labour market frictions, opportunity costs, search time and
liquidity constraints.
Our regression models are multilevel in nature due to the inclusion of explanatory variables at different levels of analysis (Shepherd, 2011). For our dependent variable, we make use of the 2011 Adult
Population Survey (APS) of the Global Entrepreneurship Monitor (GEM). According to the GEM,
employees are involved in entrepreneurial activity if they take the lead in the developmental process
of new business activities for their employer (Bosma et al., 2013b). We use data from both the World
Bank (WB) and the Organisation for Economic Co-operation and Development (OECD) on legislation regarding redundancy payments and advance notice of contract termination (Nicoletti et al., 1999).
The remainder of this article is organised as follows. In the next section, we discuss the extant
literature on EPL and its effects on various labour market outcomes. We derive a pair of hypotheses
reflecting the theoretical mechanisms between national-level legislation on redundancy pay and
the notice period on the one hand and individuals’ occupational status on the other. The third section describes our data, and the fourth explains our methodological approach. In the fifth section,
we present our main empirical results. Finally, the sixth section concludes and discusses the implications of our findings.
Theory and hypotheses
In his influential paper analysing productive, unproductive and destructive entrepreneurship,
Baumol (1990) speculated that there might be a ‘true’ rate of entrepreneurship. This rate is said to
be more or less equal across countries, but its appearance depends on the incentive structure created by institutional frameworks. Institutions define the relative pay-offs to different occupations
and thereby determine the allocation of talent in society (Acemoglu, 1995; Baumol, 1990; Murphy
et al., 1991). EPL is a specific type of labour market institution, part of a country’s formal institutional framework. Pissarides (2001) defines employment protection as follows: ‘Any set of regulations, either legislated or written in labour contracts, that limit the employer’s ability to dismiss the
worker without delay or cost’ (p.136).
Extant research focuses largely upon the macro employment effects of employment protection (Holt and Hendrickson, 2017; Kahn, 2010). Böckerman et al. (2018) (micro level),
Cingano et al. (2016) and Griffith and Macartney (2014) (meso level) are some notable exceptions. Empirical findings are inconclusive regarding the effects of composite EPL indicators
on unemployment, employment and self-employment rates. Addison and Teixeira (2003)
mapped part of the empirical literature on the labour market consequences of employment
protection (see also Skedinger, 2011) and arrive at three main conclusions: stricter EPL (1)
increases structural unemployment, (2) reduces employment on average and (3) is positively
associated with self-employment. Cahuc and Postel-Vinay (2002) note that firing restrictions
may, or may not, reduce unemployment, with the impact limited in either direction. Micco and
Pagés (2006) find more stringent EPL to be the cause of a decrease in employment, driven by
a decline in the net entry of firms. Van Landuyt et al. (2017) show that firms tend to hire
employees on temporary labour contracts or on contracts that are subject to substantially
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International Small Business Journal: Researching Entrepreneurship 37(6)
reduced employment protection to circumvent high (future) firing costs (see also Hijzen et al.,
2017). In a similar vein, Román et al. (2011) conclude that strict EPL promotes dependent
self-employment as employers are encouraged to contract-out work previously undertaken inhouse. Others, however, find no robust or even a negative relationship between EPL and selfemployment (Robson, 2003; Torrini, 2005). Millán et al. (2013) show that the stringency of
EPL is negatively related to labour mobility between small firms.
Most of the aforementioned studies faced difficulties in formulating a satisfactory onedimensional measure of EPL; this suggests the need for more fine-grained analyses of the
effects of its most important elements. But, most notably, they did not take into account entrepreneurial activity by employees within established firms commonly referred to as intrapreneurship (Antoncic and Hisrich, 2001, 2003; Carrier, 1994, 1996; Parker, 2011). Instead,
self-employment is commonly seen as the only route for entrepreneurial individuals in society.
Bosma et al. (2013a) find that the prevalence of intrapreneurship and independent entrepreneurship are negatively correlated at the macro level; more intrapreneurship means lower
levels of independent entrepreneurship in society, and vice versa. This suggests that these two
modes of entrepreneurial activity are substitutes rather than complements at the national level,
confirming the allocation of entrepreneurship perspective by Baumol (1990). Bosma et al.
(2013a) also conclude that both formal and informal institutions influence the allocation of
talent across the two modes of entrepreneurial activity. More specifically, social security
favouring employment over self-employment positively affects the share of entrepreneurial
employees in a country (also see Wennekers et al., 2005). Social security systems vary substantially between countries, but typically involve more than just job security provisions, for
instance, consider regulations on pensions, sick pay and unemployment benefits. In most
cases, the self-employed are not automatically entitled to any of these (collective) benefits, but
have to make personal arrangements. As such, comprehensive welfare systems that favour the
employed dissuade self-employment.
The discussion on the effects of EPL on entrepreneurial activity is obscured by not disentangling the key mechanisms and by neglecting entrepreneurial activity by employees. In this article,
we contribute to this discussion and the literature on labour markets, institutions and entrepreneurship, with adding entrepreneurial activity by employees to the equation and by disentangling
four key mechanisms in the explanation of the effects of EPL on entrepreneurship.
Our empirical strategy is to use the two main elements of formal institutional employment protection, that is, redundancy pay and the notice period for employers. Within the category of employees, we distinguish further between entrepreneurial employees and those who do not qualify as
such. Someone is identified as an entrepreneurial employee if continuously involved in the developmental processes of new business activities for the main employer and when they have (or have
had) a leading role in the phase of idea development and/or the phase of preparation and implementation (Bosma et al., 2013b). Examples of new business activities include setting up a new business
unit, establishment or subsidiary, but also the development of a new product, service or product–
market combination.
We distinguish four key mechanisms in the explanation of the effects of EPL on entrepreneurship: labour market frictions, opportunity costs, search time and liquidity constraints. The labour
market frictions mechanism emphasises the employer perspective, while opportunity costs, search
time and liquidity constraints mechanisms primarily affect the employee perspective. We elaborate
upon these key mechanisms.
First, the labour market friction mechanism (Campbell et al., 2017). Higher levels of employment protection lead to greater friction upon the labour market, lowering the probability that
Liebregts and Stam
585
employers hire (and fire) employees and increasing the probability that employers contract
self-employed labour. Second, the opportunity costs mechanism (Amit et al., 1995). Higher
levels of employment protection increase the opportunity costs of leaving employment if selfemployment is pursued. This lowers the probability that employees will opt for self-employment and increases the probability that workers will choose a position as employee. Third, the
search time mechanism (Tirole and Blanchard, 2004). A notice period provides a delay between
the layoff decision and its implementation, providing opportunities for on-the-job search by the
employee (Addison and Blackburn, 1995). Longer notice periods will thus increase the amount
of search time of employees, increasing the probability they will remain as an employee with
another employer. We assume that employees will usually search for another job; however, we
cannot rule out the probability that some will use this time to consider a switch into selfemployment. Fourth, the liquidity constraints mechanism (Evans and Jovanovic, 1989; HoltzEakin et al., 1994). Redundancy creates a one-off payment to the employee; this lowers the
liquidity constraints that normally hamper the transition into self-employment. This means that
higher redundancy pay increases the probability of a shift from employment to self-employment. National-level legislation regarding redundancy settlements enables this payment (even
though there is no one-to-one relationship of national legislation and the frequency of redundancy payments).
The net effect of the opposing labour market friction mechanism and opportunity cost mechanism is ambiguous as is evident in the mixed findings on the effect of EPL on self-employment.
However, when the search time and liquidity constraints mechanisms are added, we expect a positive effect of notice period on the probability of being involved in entrepreneurial activity as an
employee (Hypothesis 1) and a positive effect of redundancy payment on the probability of being
involved in entrepreneurial activity as self-employed (Hypothesis 2):
H1. The longer the notice period for employers, the more likely an individual’s involvement in
entrepreneurial activity as employee.
H2. The higher redundancy pay for employees, the more likely an individual’s involvement in
entrepreneurial activity as self-employed.
Data
The data are derived from a variety of sources with the GEM foremost. GEM is an annual largescale international study on the prevalence of entrepreneurship conducted since 1999. The 2011
edition of the GEM APS was the first to include entrepreneurial employee activity as a special
topic.1 More than 156,000 individuals from 52 countries completed the survey. The 52 participating countries include (1) Six factor-driven economies (i.e. Algeria, Bangladesh, Iran,
Jamaica, Pakistan and Venezuela), (2) 24 efficiency-driven economies (i.e. Argentina, Barbados,
Bosnia and Herzegovina, Brazil, Chile, China, Colombia, Malaysia, Mexico, Panama, Peru,
South Africa, Thailand, Trinidad and Tobago, Uruguay and most of Eastern Europe) and (3) 22
innovation-driven economies (i.e. Australia, Japan, South Korea, Singapore, Taiwan, the United
Arab Emirates, the United States and most of Western Europe). This follows a classification of
countries into three stages of economic development by the World Economic Forum (WEF) and
corresponds to a distinction between developing, transition and developed countries, respectively. As such, the data set covers a wide range of countries at different stages of economic
development.
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International Small Business Journal: Researching Entrepreneurship 37(6)
Table 1. Descriptive statistics of the dependent variable (occupational status).
Category
0. Non-entrepreneurial employee
1. Entrepreneurial employee
2. Self-employed
Total
Frequency
Percent
Cumulative percent
61,501
3430
26,798
91,729
67.1
3.7
29.2
100.0
67.1
70.8
100.0
Dependent variable
Among other details, GEM 2011 APS asked for occupational status, in terms of being currently
employed (either part-time or full-time), self-employed, unemployed, not working (i.e. retired
or disabled), a student or a full-time homemaker. A specific set of questions was then targeted
at all adult employees in the sample to determine who can be regarded as entrepreneurially
active. This is the case when individuals have been involved in the development of new business activities for their main employer in the past three years and have had a leading role in at
least one of the two phases of this developmental process, being the phase of idea development
and the phase of preparation and implementation (Bosma et al., 2013b: 21). When someone is
also currently involved in such a development, a narrower definition of ‘entrepreneurial
employee’ is satisfied. Hence, these individuals are continuously active as entrepreneurial
employees. On average, only 2.8% of the adult population in our sample satisfies this definition. Typically, innovation-driven economies demonstrate higher prevalence rates of entrepreneurial employee activity (Bosma et al., 2013b; Kelley et al., 2016). Other stylised facts show
that, to a certain extent, entrepreneurial employee activity is a substitute of independent entrepreneurial activity, since in general, the share of entrepreneurial employee activity in overall
entrepreneurial activity in society declines with the level of independent entrepreneurial activity (Bosma et al., 2013a).2 The dependent variable is an unordered categorical variable indicating an individual’s occupational status. Those employed by others, either part-time or full-time,
are treated as the base category. The second category consists of those involved in entrepreneurial employee activity according to the GEM’s narrow definition. Finally, self-employed
people belong to the final category.
Table 1 presents the descriptive statistics of the dependent variable. Due to the focus on the
economically active adult population, all other occupational statuses are omitted leaving a data set
covering more than 91,000 individuals. It appears that a majority of the full sample is employed
and not entrepreneurially active (67.1%), while only 3.7% are employed and involved in entrepreneurial activity. This distils to 5.3% of employees being entrepreneurially active. The narrow definition and the corresponding operationalisation of the concept of entrepreneurial employee activity
could explain this relatively low share of entrepreneurial employees. Approximately 30% of the
sample is currently self-employed; this includes imitative or routine entrepreneurs (also see
Koellinger, 2008).
Independent variables
The WB and the OECD both gather EPL data and thus serve as a source for information on
country levels of redundancy payments and length of the notice period for employers. The
WB’s ‘Doing Business’ ranking incorporates a variety of measures of labour market policy of
which the employing workers indicators refer to EPL. These indicators cover (1) the difficulty
Liebregts and Stam
587
of hiring, (2) the difficulty of firing, (3) firing costs and (4) hours rigidity. Our focus is on the
two main items of the firing costs for employers, namely redundancy pay and the notice period
for redundancy dismissal, both measured in terms of salary weeks. Employees with more years
of tenure are typically better protected against dismissal, and so, it might be useful to distinguish between employees with 1, 5 and 10 years of tenure, but the main conclusions are drawn
based upon the averages of redundancy pay and the notice period for those with different
lengths of service.
The OECD distinguishes between five categories of employment protection, namely (1) redundancy payment, (2) advance notice of termination, (3) administrative procedures, (4) difficulty of
dismissal and (5) additional measures for collective dismissals (Nicoletti et al., 1999). Our main
interest is in the first and second category; both can be viewed as a transfer from the employer to
the employee – a direct money transfer in case of redundancy payment and an information transfer
in case of advance notice of termination of the employment contract – whereas the other three
categories are procedural ways to constrain employer rights to dismiss. Nonetheless, they might
induce employers to delay a (collective) dismissal, or to buy off employees in order to avoid
lengthy negotiations, and in that sense, they may act as a redundancy payment or notice period. The
OECD measures EPL by examining the procedures and costs involved in dismissing individuals,
or groups of employees, and the procedures involved in recruiting employees on fixed-term or
temporary work agency contracts. This is reflected in three main indicators, namely (1) individual
dismissal of employees with regular contracts, (2) additional costs for collective dismissals and (3)
regulation of temporary contracts. Items indicating the amount of redundancy pay and the length
of the notice period are part of the first indicator (both measured in months). Both items distinguish
between employees at nine months, four years and 20 years tenure, but again, we mainly focus on
averages for those at different years of tenure.
Both the WB and the OECD data set contain time series – in case of some of the OECD indicators ranging from 1985 to 2013 – but we only use 2011 data due to the restricted availability of the
GEM data. However, it must be noted that institutional regimes are challenging to change, and
indeed, it appears that EPL remains fairly stable over time in most countries.3 The WB has EPL
data on 214 countries, including 50 of the 52 GEM countries, whereas the OECD data set only
covers 43 countries, of which 29 are also covered by GEM.
It should be emphasised that none of the elements of EPL we used, or a combination of such
elements, fully covers a country’s EPL. Each item addresses part of the provisions regarding
employment protection. There are also collective agreements, agreed upon at the regional or
sectoral level, containing diverse provisions not covered by legislation and imposed at the
national level. We argue, however, that redundancy pay and notice period are common and critical aspects of employment protection. Moreover, in most countries, redundancy payments and
notice periods in collective agreements are usually similar to those in national-level legislation
(Venn, 2009).
Control variables
The regression models take into account a number of controls at different levels. All stem from the
GEM 2011 APS, except for the 2011 unemployment rate, collected by the WB. It is likely that the
level of unemployment in a country affects the allocation of individuals over employment and selfemployment. The gross domestic product (GDP) per capita is also considered to be an important
country-level control variable when predicting an individual’s occupational choice. As noted, economic development typically leads to higher prevalence rates of entrepreneurial employee activity
(Bosma et al., 2013b; Kelley et al., 2016). Demographic characteristics such as age and gender,
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International Small Business Journal: Researching Entrepreneurship 37(6)
Table 2. Descriptive statistics of the independent variables.
Variable
Redundancy pay (WB)
Notice period (WB)
Redundancy pay (OECD)
Notice period (OECD)
Age
18–24 years
25–34 years
35–44 years
45–54 years
55–64 years
Male
Educational level
None
Some secondary
Secondary degree
Post-secondary
Graduate experience
Household income
Missing/cannot code
Lowest tertile
Middle tertile
Highest tertile
Log GDP per capita
Unemployment rate
Observations
Mean
Standard deviation
Minimum
Maximum
86,404
86,404
60,054
60,054
12.640
4.609
1.936
1.970
8.320
3.736
1.412
1.174
0
0
0
0
86,404
86,404
86,404
86,404
86,404
86,388
0.108
0.253
0.273
0.237
0.129
0.554
0.310
0.435
0.446
0.425
0.335
0.497
0
0
0
0
0
0
1
1
1
1
1
1
85,484
85,484
85,484
85,484
85,484
0.069
0.134
0.330
0.374
0.092
0.254
0.340
0.470
0.484
0.290
0
0
0
0
0
1
1
1
1
1
86,404
86,404
86,404
86,404
86,404
86,404
0.169
0.121
0.286
0.424
9.560
10.064
0.375
0.327
0.452
0.494
0.735
5.846
0
0
0
0
6.854
0.7
31.667
14.444
6.000
5.667
1
1
1
1
10.578
27.6
WB: World Bank; OECD: Organisation for Economic Co-operation and Development; GDP: gross domestic product.
characteristics capturing cognitive ability such as educational level and household income are
included as control variables at the individual level.
Descriptive statistics of the independent variables
Table 2 shows the descriptive statistics of the independent variables, including the controls. Note
that the WB indicators of EPL are given in weeks, whereas the OECD indicators are measured in
months. Despite this, the mean values of the indicators differ substantially. For example, the average notice period according to the WB is slightly more than a month, while it is almost two months
according to the OECD. This is likely to be the result of a different sample of countries; the WB
sample includes more low-income countries than the OECD sample. Both job security provisions
become more generous towards those with more years of tenure, as expected (not shown here). The
largest part of the sample is middle aged (35–44 years, 27.3%), and the majority are men (55.4%).
The 2011 unemployment rate ranges from 0.7% (in Thailand) up to 27.6% (in Bosnia and
Herzegovina).
Figures 1 and 2 represent scatter plots that have redundancy pay on the horizontal axis and
notice period on the vertical axis – according to WB and OECD data, respectively – and reveal
substantial dispersion. Hence, there is no clear relationship between the stringency of redundancy
Liebregts and Stam
589
Figure 1. Country redundancy pay and notice period in weeks (World Bank, N = 50).
Data on national-level legislation; redundancy pay and the notice period may be different in collectively and/or privately
negotiated agreements.
pay and the notice period within countries. At best, we can observe a weak negative relationship
within the sample of OECD countries only.
Methodology
Both entrepreneurial employee activity and self-employment are not only affected by the
national context but also by individual characteristics. This implies that disentangling the
determinants of the allocation of entrepreneurial activity necessitates a multilevel analysis
(Bjørnskov and Foss, 2016; Shepherd, 2011). In this way, we are able to unravel the direct
effects of determinants at different levels as well as possible cross-level interactions. More
specifically, we are able to investigate both the effects of a country’s redundancy pay and
notice period on an individual’s occupational status and, for example, whether or not these
effects depend on his or her age.
The composed data set has a hierarchical data structure; it includes variables on the individual
level as well as on the national level. Traditional approaches to deal with hierarchical data are
either disaggregating all variables to the lowest level, or aggregating all variables to the highest
level, followed by standard analyses like multiple regression analyses. However, with hierarchical data, observations are not independent, errors are not independent and different observations
may have errors with different variances (i.e. heteroscedastic errors), while multiple regression
analysis assumes exactly the opposite. Observations of individuals within the same group (or,
country in this case) tend to be more similar as compared to observations between different
groups. This may be due to selection issues or a shared history of the individuals within a group.
Multilevel techniques account for the fact that most variables have both within-group and
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International Small Business Journal: Researching Entrepreneurship 37(6)
Figure 2. Country redundancy pay and notice period in months (OECD, N = 29).
Data on national-level legislation; redundancy pay and the notice period may be different in collectively and/or privately
negotiated agreements.
between-group variation and that the effect of an individual-level explanatory variable may well
be different across different groups (Rabe-Hesketh et al., 2004; Rabe-Hesketh and Skrondal,
2006).
In general, the lowest level of a basic multilevel regression model is represented by the following equation:
yij = β 0 j + β1 j xij + ε ij
(1)
At the second level, we have
β 0 j = γ 00 + γ 01 z j + u0 j
(2)
β1 j = γ 10 + γ 11 z j + u1 j
(3)
and
591
Liebregts and Stam
Substitution of equations (2) and (3) into equation (1) and rearrangement of terms leads to the
following single-equation version of a two-level regression model, with only one explanatory variable per level
yij = γ 00 + γ 10 xij + γ 01 z j + γ 11 z j xij + u1 j xij + u0 j + ε ij
(4)
In equation (4), yij is the dependent variable, where the subscript i refers to individuals
(i = 1,…, n j ), and the subscript j refers to groups ( j = 1,…, J ). The right-hand side of the equation
is split up into a fixed (or deterministic) and a random (or stochastic) part, respectively. The term
xij is an individual-level independent variable, whereas z j is a group-level independent variable.
Note that the model indeed contains a cross-level interaction term z j xij .
Usually, as is the case in this study, one deals with more than one explanatory variable at both
levels. Assume that there are P explanatory variables x at the lowest (individual) level, indicated by the subscript p ( p = 1,…, P), and Q explanatory variables z at the highest (group)
level, indicated by the subscript q, (q = 1,…, Q). The more general equation is then given by
yij = γ 00 + γ p 0 x pij + γ 0 q zqj + γ pq zqj x pij + u pj x pij + u0 j + ε ij
(5)
Our basic model consists of 12 individual-level explanatory variables (all binary), representing
an individual’s age, gender, educational level and household income, and 2 country-level explanatory variables, namely a country’s log GDP per capita and unemployment rate. The full multilevel
regression models also include the redundancy pay and notice period variables for workers with
different years of tenure, and hence, p = 1,…,12 and q = 1,…, 4. Due to the specific form of the
dependent variable (i.e. unordered categorical), we estimate the so-called multilevel mixed-effects
multinomial logistic regression models (Rabe-Hesketh et al., 2005; Rabe-Hesketh and Skrondal,
2012).
Results
Correlation coefficients
The correlation coefficients between the dependent variable, the independent variables of interest
and the control variables, based on the full sample, are given in Table 3. They already provide us
with some insights into their mutual relationships.
Since our dependent variable is unordered categorical, we cannot draw any firm conclusions
(yet) as to its correlation with any of the redundancy pay and notice period indicators. In the
case of both WB and OECD data, redundancy pay and notice period are significantly and negatively correlated, so, on average, the higher the redundancy payments, the shorter the notice
period, and vice versa. The highest correlations can be found among the redundancy pay and
notice period variables from different sources. For example, the correlation between the WB
and OECD indicator of redundancy pay is 0.743, and highly significant. We may conclude that
both data sources seem to assess the strictness of EPL in a fairly similar way. Other correlation
coefficients worth mentioning are those between the log GDP per capita and the redundancy
pay variable, in case of both WB and OECD data. The highly significantly negative relationships (−0.575 and −0.594, respectively) point at high-income countries having less strict EPL
592
Table 3. Correlation coefficients.
2
3
4
5
6
7
8
9
10
11
1.000
0.176***
–0.173***
0.055***
–0.045***
0.083***
0.075***
–0.133***
0.025***
–0.195***
–0.015***
1.000
–0.292***
0.743***
–0.195***
–0.105***
0.059***
–0.193***
0.038***
–0.575***
0.058***
1.000
–0.142***
0.636***
0.064***
–0.041***
0.041***
–0.027***
0.199***
–0.294***
1.000
–0.180***
–0.102***
0.008*
–0.157***
–0.064***
–0.594***
0.314***
1.000
0.011**
–0.009*
–0.036***
0.044***
–0.089***
–0.352***
1.000
–0.017***
–0.052***
–0.003
0.143***
0.049***
1.000
–0.071***
0.067***
–0.062***
–0.004
1.000
0.117***
0.197***
0.038***
1.000
–0.052***
–0.069***
1.000
0.212***
1.000
WB: World Bank; OECD: Organisation for Economic Co-operation and Development; GDP: gross domestic product.
aContinuous variable.
bOrdered categorical variable.
*0.01 < p ⩽ 0.05; **0.001 < p ⩽ 0.01; ***p ⩽ 0.001.
International Small Business Journal: Researching Entrepreneurship 37(6)
1. Occupational status
2. Redundancy pay (WB)
3. Notice period (WB)
4. Redundancy pay (OECD)
5. Notice period (OECD)
6. Agea
7. Male
8. Educational levelb
9. Household incomeb
10. Log GDP per capita
11. Unemployment rate
1
Model 1 (World Bank indicators)
1. Entrepreneurial employee
Redundancy pay (WB)
Notice period (WB)
Redundancy pay (OECD)
Notice period (OECD)
Age
25–34 years
35–44 years
45–54 years
55–64 years
Male
Educational level
Some secondary
Secondary degree
Post-secondary
Graduate experience
Household income
Middle tertile
Highest tertile
Log GDP per capita
Unemployment rate
Constant
Model summary
Number of individuals
Number of countries
Log likelihood
Deviance
2
σ u0
Coefficient
Standard
error
–0.160
0.149
0.089
0.059
0.255
0.369
0.327
0.237
0.204
0.041
0.041
0.040
0.034
0.019
0.220
0.467
0.889
0.630
0.074
0.095
0.097
0.059
0.162
0.556
0.239
0.039
–3.392
0.044
0.045
0.088
0.086
0.076
Model 2 (OECD indicators)
2. Self-employed
Significance
Coefficient
Standard
error
Significance
+
0.176
–0.258
0.085
0.057
*
*
***
***
***
***
***
**
***
***
***
***
***
**
***
85,470
46
–57,231.773
114,463.546
0.264 (0.053)
0.077
0.205
0.259
0.312
0.135
0.013
0.013
0.013
0.011
0.008
–0.050
–0.152
–0.281
–0.146
0.012
0.016
0.017
0.013
–0.082
–0.015
–0.261
–0.046
–0.921
0.013
0.014
0.084
0.083
0.071
1. Entrepreneurial employee
2. Self-employed
Coefficient
Standard
error
Coefficient
Standard
error
–0.052
0.256
0.142
0.096
–0.175
–0.163
0.138
0.095
0.286
0.431
0.403
0.277
0.214
0.050
0.050
0.048
0.040
0.021
0.123
0.269
0.323
0.352
0.207
0.018
0.018
0.018
0.015
0.010
0.250
0.544
0.950
0.674
0.098
0.129
0.132
0.080
–0.028
–0.119
–0.190
–0.094
0.017
0.022
0.023
0.016
0.163
0.584
0.529
–0.021
–3.540
0.049
0.050
0.159
0.103
0.076
–0.104
–0.004
–0.568
0.123
–0.886
0.016
0.016
0.153
0.100
0.064
Significance
Significance
Liebregts and Stam
Table 4. Results of the multilevel mixed-effects multinomial logistic regression models.
***
***
***
***
***
***
***
***
***
***
***
**
***
**
***
***
***
***
***
**
***
***
***
***
***
***
***
+
***
***
***
***
***
***
***
***
***
***
***
59,412
28
–39,378.003
78,756.006
0.312 (0.030)
WB: World Bank; OECD: Organisation for Economic Co-operation and Development; GDP: gross domestic product.
Base outcome: 0. Non-entrepreneurial employee; in case of Household income missing values included, but not reported here; standardised variables; robust standard errors for clustered data.
+0.05 < p ⩽ 0.10; *0.01 < p ⩽ 0.05; **0.001 < p ⩽ 0.01; ***p ⩽ 0.001.
593
594
International Small Business Journal: Researching Entrepreneurship 37(6)
in terms of redundancy pay. The coefficients are inconclusive regarding its relationship with
nationally legislated notice periods.
Regression results
Table 4 shows the results of the main multilevel mixed-effects multinomial logistic regression
models. Models 1 and 2 alternately include the WB and OECD variables regarding the average
redundancy pay and notice period for employers. As WB data are available for a larger number of
countries, their sample sizes differ. The results of Models 1 and 2 are based on data for 46 and 28
countries, respectively.4 Both models contain all aforementioned control variables. We have also
run models in which we test the effects of the redundancy pay and notice period variables separately; their results do not deviate from that discussed below, regarding the direction and significance of the effects.5
The base outcome category of the two models is Non-entrepreneurial employee, such that all
coefficients should be interpreted relative to this occupational status. A non-entrepreneurial
employee is someone who is employed, either part-time or full-time, but does not qualify as an
entrepreneurial employee as they are not involved in developing new business activities for the
employer. Coefficients are shown of the effects on the remaining two occupational statuses, that is,
entrepreneurial employee and self-employed, two ways in which an individual can be entrepreneurially active.
We find clear support for Hypothesis 1, since the notice period has a significantly positive effect
on individuals being entrepreneurially active as an employee. This effect is even stronger and
highly significant in case of the sample with OECD countries only. A longer notice period is negatively associated with being self-employed. We do not find consistent evidence for Hypothesis 2;
redundancy pay seems to be positively related to being self-employed in the WB sample, but there
is no relation in the OECD sample. Redundancy pay is found to be negatively associated with the
probability of being involved in entrepreneurial employee activity, although the effect is only
weakly significant in case of WB data and insignificant in case of OECD data.
In any case, both elements of EPL have an opposite effect on the two different modes of entrepreneurial activity. The opposite effects of the redundancy pay and notice period suggest that a
negative effect on one of the modes of entrepreneurial activity may not be as detrimental for overall
entrepreneurial activity as initially appears. It may be compensated for by the positive effect on the
other mode of entrepreneurial activity in society. Table 4 shows the coefficients of standardised
variables which supports this interpretation when comparing the effects of different variables
within one sample (Hox et al., 2018). However, for a meaningful interpretation of the effects on our
outcome variable, we need to initially derive the unstandardised coefficients. For example, with
each one week increase in the average notice period for employers, the average probability of
being self-employed goes down by 0.063 (or 0.126 with each one month increase in case of OECD
data). This corresponds to the −0.258 and −0.163 coefficients of the standardised variables Notice
Period (WB) and Notice Period (OECD), respectively. Thus, the average probability for individuals to be self-employed is lower in countries that have set a longer average notice period for
employers. At the same time, the average probability of being entrepreneurially active as an
employee increases with 0.036 (or 0.198), corresponding to the 0.149 and 0.256 coefficients of the
aforementioned standardised variables.
Hence, in case of Model 2 – that is, using the OECD indicators, and therefore, a sample with
OECD countries only – we observe a sharper increase in the average probability to be an entrepreneurial employee than the decrease in the average probability to be self-employed (0.198 vs
−0.126). This most likely yields an increase in the number of entrepreneurial employees, which
Liebregts and Stam
595
more than offsets the decrease in self-employment numbers. In the case of Model 1 and WB data,
the negative effect on self-employment is only partially offset by the positive effect on entrepreneurial employment (0.036 vs −0.063). Nevertheless, it appears not as harmful for entrepreneurial
activity in society as it seems at first sight. At the same time, the positive effect of average redundancy pay on self-employment more than offsets its negative effect upon entrepreneurial employment (0.019 vs −0.018).
Almost all control variables are highly significant; only unemployment rates of countries remain
insignificant throughout both models. The coefficients of the control variables mostly have the
expected sign. Age is positively related with being involved in entrepreneurial activity in general
either as an employee or as self-employed. The largest effect on being an entrepreneurial employee
can be found for individuals between 35 and 44 (0.369 and 0.431 in Models 1 and 2, respectively).
People above 55 are most likely to be self-employed. Moreover, men have a higher probability of
being entrepreneurially active than women, relative to being employed and not involved in entrepreneurial activity. A higher educational level as well as a higher household income are strongly
positive for being an entrepreneurial employee. Both controls are negatively related to selfemployment, yet insignificant for individuals with a household income that belongs to the highest
tertile of the population. The higher a country’s GDP per capita, the greater the probability that an
individual is entrepreneurially active as an employee (0.239 and 0.529 in Models 1 and 2, respectively). The reverse holds for people being self-employed (−0.261 and −0.568).
Robustness checks. Our robustness checks include the estimation of similar models, but (1) now
using the WB and OECD indicators of redundancy pay and the notice period for workers at different years of tenure and (2) preselecting 29 OECD countries.6 The question regarding the latter
robustness check is whether the conclusions previously drawn also hold for a more homogeneous
set of countries in terms of levels of economic development. The subsample that results from this
prior selection excludes all factor-driven economies and most countries that qualify as efficiencydriven economies. By focusing upon more developed countries only, our results are less influenced
by necessity-based and/or informal forms of entrepreneurship; these are more prevalent in developing countries (Acs, 2006).
Usually, employment protection is less stringent for employees with fewer years of tenure,
and so, any changes in the strictness of regulations will have a greater effect upon them. As
such, it would be expected that redundancy pay and the notice period for employees with fewer
years of tenure would be stronger determinants of the allocation over different occupations.
Recall that the WB data allows for differentiation between workers with one, five and 10 years
of tenure. The OECD in turn distinguishes between employment protection for employees
working nine months and four years and 20 years for their current employer. On average, the
length of the notice period decreases with years of tenure increasing in case of OECD data.
Also, on average, redundancy pay is set highest for workers with four years tenure. For the
sample of countries for which we have WB data, we see that both redundancy pay and notice
period are greater for employees with the longest tenure.
Table 5 reveals that the direction of the effects does not depend on differences in legislation for
employees with different tenure lengths. Only small differences appear in the magnitude and significance of the various effects. For example, only redundancy payments for workers with a relatively short tenure length (12 or nine months) have a significantly negative effect upon being an
entrepreneurial employee. In contrast, the notice period for employees with longer tenure has
stronger significant effects on the probability of being an entrepreneurial employee.
A prior selection of the 29 OECD countries confirms the previous findings as to the direction of
effects (see Table 6). Our focus is upon the first model, in which we use the WB indicators. Model
596
Table 5. Results of robustness check 1: legislation for workers with different years of tenure.
Model 1 (World Bank indicators)
Redundancy pay 5 years (WB)
Notice period 5 years (WB)
Redundancy pay 4 years (OECD)
Notice period 4 years (OECD)
Redundancy pay 10 years (WB)
Notice period 10 years (WB)
Redundancy pay 20 years (OECD)
Notice period 20 years (OECD)
Control variables
Included?
Models summary
Number of individuals
Number of countries
1. Entrepreneurial employee
2. Self-employed
Coefficient
Standard
error
Significance
Coefficient
Standard
error
–0.172
0.019
0.050
0.073
***
0.118
–0.269
0.042
0.079
Model 3 (World Bank indicators)
–0.139
0.088
*
0.147
0.074
Model 5 (World Bank indicators)
–0.111
0.095
*
0.189
0.084
0.186
–0.239
0.178
–0.234
0.085
0.072
0.092
0.083
Significance
1. Entrepreneurial employee
2. Self-employed
Coefficient
Coefficient
Standard
error
Significance
–0.115
0.065
+
***
0.196
0.058
Model 4 (OECD indicators)
–0.219
–0.138
0.059
0.056
***
–0.086
0.092
***
0.241
0.074
Model 6 (OECD indicators)
–0.088
–0.126
0.086
0.073
–0.079
–0.141
0.093
0.094
Standard
error
Significance
**
***
*
*
***
+
**
0.113
0.260
Yes
Yes
85,470
46
59,412
28
WB: World Bank; OECD: Organisation for Economic Co-operation and Development.
Base outcome: 0. Non-entrepreneurial employee; standardised variables; robust standard errors for clustered data.
+ 0.05 < p ⩽ 0.10; *0.01 < p ⩽ 0.05; **0.001 < p ⩽ 0.01; ***p ⩽ 0.001.
0.097
0.095
**
+
International Small Business Journal: Researching Entrepreneurship 37(6)
Redundancy pay 1 year (WB)
Notice period 1 year (WB)
Redundancy pay 9 months (OECD)
Notice period 9 months (OECD)
Model 2 (OECD indicators)
Liebregts and Stam
Table 6. Results of robustness check 2: OECD countries only.
Model 1 (World Bank indicators)
Redundancy pay (WB)
Notice period (WB)
Redundancy pay (OECD)
Notice period (OECD)
Control variables
Included?
Model summary
Number of individuals
Number of countries
Log likelihood
Deviance
2
σ u0
Model 2 (OECD indicators)
1. Entrepreneurial employee
2. Self-employed
Coefficient
Standard
error
Coefficient
Standard
error
–0.029
0.218
0.084
0.058
0.197
–0.202
0.078
0.056
Significance
***
Significance
1. Entrepreneurial employee
2. Self-employed
Coefficient
Standard
error
Coefficient
Standard
error
–0.052
0.256
0.142
0.096
–0.175
–0.163
0.138
0.095
Significance
Significance
*
***
Yes
Yes
59,412
28
–39,353.772
78,707.544
0.309 (0.036)
59,412
28
–39,378.003
78,756.006
0.312 (0.030)
**
+
WB: World Bank; OECD: Organisation for Economic Co-operation and Development.
Base outcome: 0. Non-entrepreneurial employee; standardised variables; robust standard errors for clustered data.
+0.05 < p ⩽ 0.10; *0.01 < p ⩽ 0.05; **0.001 < p ⩽ 0.01; ***p ⩽ 0.001.
597
598
International Small Business Journal: Researching Entrepreneurship 37(6)
2 replicates the second model in Table 4; the effect of average redundancy pay upon being an entrepreneurial employee loses its (weak) significance. The three other coefficients of interest remain
significant. In particular, the notice period has a clear positive effect upon being an entrepreneurial
employee and a clear negative effect on being self-employed. Therefore, in this instance also, we
find evidence for our first hypothesis, but not for our second hypothesis.
Consequently, we conclude that our main results are robust using slightly different specifications of the model and by preselecting a different group of countries. We find that two of EPL’s
main elements, that is, redundancy pay and notice period, reflecting the two (contrasting) mechanisms of liquidity constraints and search time, have opposite effects on two types of entrepreneurial activity. Longer notice period increases the probability that an individual is active as an
entrepreneurial employee, while higher redundancy pay increases the chances of being selfemployed. This holds for both a heterogeneous set of countries and a more homogeneous sample
regarding their level of economic development.
Conclusions and discussion
The manner in which the effects of EPL have been studied to date is lacking as the focus has been
upon effects at the national level, such as changes in employment levels. Moreover, and despite
EPL’s complex nature, a composite index has been favoured to determine its stringency. We, however, develop a discrete focus upon two main elements: redundancy pay and notice period. This
reflects the four key mechanisms explaining the allocation of entrepreneurial activity in society –
labour market frictions, opportunity costs, search time and liquidity constraints. Our analyses
reveal opposing effects of these two elements on the allocation of entrepreneurial individuals
across established and newly established organisations (i.e., entrepreneurial employee activity and
self-employment, respectively).
The estimation results involving average notice period do show highly significant coefficients,
in the hypothesised direction, for both WB and OECD data, that is, a longer notice period for
employers is positively related to individuals being entrepreneurially active as an employee. The
results are highly robust according to two checks. We also find that the higher the state-mandated
redundancy payments from employer to employee after dismissal, the higher the chances of selfemployment. These results are, however, not confirmed when using OECD data.
Any negative effect of national-level EPL on self-employment numbers may be offset – at
least partially – by a positive effect on the number of entrepreneurial activities by employees,
and vice versa. Similarly, evidence casts doubt on the well-established notion that large and
mature organisations inhibit entrepreneurship; although employees in such organisations are
found to be less likely to transition to independent entrepreneurship, they exhibit a higher
probability to engage in entrepreneurship inside the established firm (Kacperczyk, 2012). Any
observed negative effect on (independent) entrepreneurship may not be as detrimental as generally assumed.
The findings are notable in the sense that different elements of national EPL have opposite
effects on the allocation of entrepreneurial activity. The results can therefore be seen as evidence
against the use of composite indicators for EPL, which has been the standard in empirical research
(Robson, 2003; Torrini, 2005). Different kinds of employment protection regulation might have
contradictory effects, as is shown here (also see Addison & Grosso, 1996; Lazear, 1990).
This study is not without limitations. First, it might be the case that strict EPL is embedded in a
culture of uncertainty avoidance, as formal institutions are often dependent on informal institutions
(North, 1990; Williamson, 2000). In that sense, one may expect more people willing to become an
employee, and some of them ultimately engaging in entrepreneurial employee activity, instead of
Liebregts and Stam
599
becoming self-employed. Future studies need to analyse the interdependence between informal
institutions and EPL. Second, we use a cross-sectional data set, which implies that it is hard to
exclude reverse causality. Ideally, we would have had a longitudinal data set covering more than
the year 2011 only, and preferably substantial variation over time in the independent variable (with
some shocks in EPL). Nonetheless, it is unlikely that causality runs from an individual’s choice
about where to be entrepreneurially active to country-level EPL, leaving our main conclusions
unaltered. In addition, micro-level studies – both qualitative and quantitative – might be better able
to reveal the causal effects of (changing) regulation on actions of employers as well as actions of
workers (employees and self-employed). Third, redundancy pay and the notice period only capture
part of a country’s EPL. Even though these two provisions are among the most important elements
of EPL (Lazear, 1990; Pissarides, 2001), future research might consider the inclusion of various
other regulations that are part of a country’s legislation on employment protection. One can think
of the maximum length of fixed-term contracts, whether or not redundancy dismissal is allowed by
law and whether or not third-party notification and/or approval are needed. Finally, there is a focus
on of the difficulty involved in obtaining information on privately or collectively negotiated contracts. This might be misleading though, for example, in case of the Netherlands, where most
employment protection regulations are laid down in collective agreements, on top of the prevailing
national laws. Even though such regulations usually follow those set out in national-level legislation (Venn, 2009), future studies should take into account subnational heterogeneity in labour
market regulations, such as sectoral- and regional-specific provisions (Autor et al., 2007). Scholars
may be inspired by a recent study that measures a firm’s exposure to EPL instead of using countryspecific proxies for EPL (Van Landuyt et al., 2017). Likewise, employee (potential) exposure to
EPL is also likely to depend on regulations other than those of country-level legislation.
EPL, just like any institution, enables and constrains. It has been initiated to protect employees
and also plays a role in economic policy debates on how to increase national-level productivity.
Even though it may be designed with one purpose in mind (protection of employees), it may have
unintended effects on other economic actions (the decision to become self-employed or entrepreneurially active as employee). EPL is largely a product of a society which is dominated by
employers and employees, which runs the danger of neglecting the effects on the self-employed.
EPL is also largely the product of the managerial economy (Audretsch and Thurik, 2001; Thurik
et al., 2013), while its effects on the entrepreneurial economy need to be discovered. We have
contributed to the latter and showed how labour market regulation and, in particular, two main
elements of EPL affect different types of entrepreneurial activity and thus are important elements
of entrepreneurial ecosystems (Stam, 2015). Future studies should take into account other types
of entrepreneurship as well, for example, disentangling the effects of labour market regulation on
dependent self-employed and more independent, innovative, growth-oriented types of independent entrepreneurs.
Author’s note
Werner Liebregts is also affiliated to the Jheronimus Academy of Data Science (JADS), `s-Hertogenbosch,
the Netherlands.
Acknowledgements
The authors would like to thank Niels Bosma, Steven Dhondt and the participants of the DRUID Academy
Conference (Aalborg, January 2015); the ACED full paper presentations (Antwerp, June 2015); the IWH
Workshop on Entrepreneurship and the Labour Market (Halle (Saale), April 2016); the Workshop on
Institutions and Entrepreneurship (Reading, May 2016); the Università Cattolica - Department of Economic
600
International Small Business Journal: Researching Entrepreneurship 37(6)
Policy Seminar (Milan, June 2016); and the Maastricht University SBE seminar (Maastricht, January 2019)
for their helpful comments and constructive feedback on earlier versions of this paper.
Funding
The authors disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: An earlier version of this paper is part of author’s doctoral thesis, for which they received
funding from the Netherlands Organisation for Applied Scientific Research (TNO).
ORCID iD
Werner Liebregts
https://orcid.org/0000-0001-7983-9295
Notes
1.
2.
3.
4.
5.
6.
Apart from the pilot study in 2008, in which 11 countries participated to measure their rate of
entrepreneurial employee activity.
However, we do not purport that individuals involved in entrepreneurial employment and self-employment are equally entrepreneurial. Although some studies have shown that entrepreneurial employees
closely resemble independent entrepreneurs, for example, in personality traits (De Jong et al., 2015;
Menzel et al., 2007), others have found that they are more like non-entrepreneurial employees, for
example, in terms of their risk appetite (Martiarena, 2013). Moreover, entrepreneurial employees and
self-employed are typically subject to an entirely different context (Parker, 2011). The groups of entrepreneurial employees and self-employed in our sample are heterogeneous in terms of the degree of
entrepreneurship (both within and between).
According to the World Bank data, only 10 of the 50 sample countries have changed average redundancy pay for employees with different years of tenure between 2011 and 2018. Only six have
changed the average notice period for employers within the same time frame. According to the
Organisation for Economic Co-operation and Development (OECD) data, only seven and six of the
29 countries in our sample have changed the average redundancy pay and notice period, respectively, in between 2009 and 2013. Changes, if any, are often rather small. A discussion paper by
Holzmann et al. (2011) confirms that most countries undertook no or only minor redundancy pay
reforms since the 1990s.
Hence, this is somewhat less than the 50 and 29 countries for which employment protection legislation
(EPL) data are available, because of missing data on some of the included controls with the Global
Entrepreneurship Monitor (GEM) 2011 Adult Population Survey (APS) as the data source.
The regression results of these and various other specifications of the model (e.g. without control variables) are available upon request from the corresponding author.
In the latter case, we end up with one country less than the preselected number of countries, because of
missing data on some of the included controls with the GEM 2011 APS as the data source.
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Author biographies
Werner Liebregts is an Assistant Professor of Entrepreneurship at the Jheronimus Academy of Data Science
and Tilburg University. He holds a PhD in economics from Utrecht University. He is primarily interested in
how individuals can be channeled to the most productive forms of entrepreneurial activity in society. His current research is mainly at the intersection of data science and entrepreneurship.
Erik Stam is Dean and Professor of Strategy, Organisation and Entrepreneurship at the Utrecht University
School of Economics. He is an undisciplined economist, researching the context and consequences of entrepreneurship for organisations and economies, with a focus on firm growth, intrapreneurship, entrepreneurial
ecosystems and economic development. Next to his scientific work he often engages with governments,
startups and corporates on innovation and entrepreneurship.