The very first minimum wage in Germany was introduced in 1997 for blue-collar workers in sub-sectors of the construction industry. In the setting of a natural experiment blue-collar workers in neighboring 4-digit-industries and white-collar workers are used as control groups for...

The population of most developed societies is ‘graying’. As life expectancy increases and thelarge baby-boom generation approaches retirement age, this has critical consequences formaintaining a high standard of living and the sustainability of pension systems. In the light ofthese labor-force...

The importance of using natural experiments in economic research has long been recognized. Yet, it is only in recent years that natural experiments have become an integral part of the economist's analytical toolbox, thanks to the efforts of Meyer, Card, Peters, Krueger, Gruber, and others. This...

Immigrants are widely perceived as being highly entrepreneurial and important for economic growth and innovation. This is reflected in immigration policies and many developed countries have created special visas and entry requirements in an attempt to attract immigrant entrepreneurs. Not...

In this paper we estimate the causal effect of lowering the public income transfers administered to newly arrived refugee immigrants in Denmark - the so-called starthelp - using a competing risk mixed proportional hazard framework. The two competing risks are exit to job and exit out of the...

The population of most developed societies is graying. As life expectancy increases and the large baby-boom generation approaches retirement age, this has critical consequences for maintaining a high standard of living and the sustainability of pension systems. In the light of these labor-force...

Maternity and family leave policies enable mothers to take time off work to prepare for and recover from childbirth and to care for their new children. While there is substantial variation in the details of these policies around the world, the existing research yields the following general...

Some interventions or population attributes negate the effects of a treatment. This paper shows that incorporating these, what we call antidotal variables (AV), into a causal treatment effects analysis can with one cross-sectional regression identify the true causal effect, in addition to...

Hiring subsidies are widely used to create (stable) employment for the long-term unemployed. This paper exploits the abolition of a hiring subsidy targeted at long-term unemployed jobseekers over 45 years of age in Belgium to evaluate its effectiveness in the short and medium run. Based on a...

The paper evaluates the distributional effects on earnings and income of requiring young welfare recipients to fulfill conditions related to work and activation. It exploits within-social insurance office variation in policy arising from a geographically staggered reform in Norway. The reform...