Using a large representative German data set and various concepts of self-employment, thispaper tests the “jack-of-all-trades” view of entrepreneurship by Lazear (AER 2004).Consistent with its theoretical assumptions we find that self-employed individuals performmore tasks and that their...

This paper studies how portable skill accumulated in the labor market are. Using rich data ontasks performed in occupations, we propose the concept of task-specific human capital tomeasure the transferability of skills empirically. Our results on occupational mobility andwages show that labor...

In labor markets with worker and firm heterogeneity, the matching between firms and workersmay be assortative, meaning that the most productive workers and firms team up. Weinvestigate this with longitudinal population-wide matched employer-employee data fromPortugal...

This paper identifies several distortions which create barriers to entrepreneurship. First, inaddition to the innate entry cost, there are entry costs caused by regulation. Second, unionwage policies raise the opportunity cost of entrepreneurship...<BR>

This paper critically discusses the theoretical and empirical literature on the quantitative andqualitative employment impact of technological change, compares the relative explanatorypower of the competing theories, and explains in detail the macro and micro evidence on theissue, with reference...