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 provides an introduction and overview of my research on the Economics of Language. The approach is that language skills among immigrants and native-born linguistic minorities are a form of human capital. There are costs and benefits associated with this characteristic embodied in the...

Using two Dutch labour force surveys, employment assimilation of immigrants is examined. We observe marked differences between immigrants by source country. Non-western immigrants never reach parity with native Dutch. Even second generation immigrants never fully catch up...

Using the large-scale German Socio-Economic Panel, this note reports direct empirical evidence for significant correlations between risk aversion and labour market outcomes (full-time employment, temporary agency work, fixed-term contracts, employer change, quits, training, wages, and job...

This paper employs United States Census data to study the occupational allocation ofimmigrants. The data reveal that the occupational shares of various ethnic groups havegrown drastically in regional labor markets over the period 1980 to 2000. We examine theextent to which this growth can be...

This paper investigates the intergenerational transmission of language capital amongstimmigrants, and the effect of language deficiencies on the economic performance of secondgeneration immigrants...

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>

The paper aims to test whether a firm’s provision of training depends on the intake quality of trainees. While a firm may just treat each trainee equally, independent of his or her intake quality, firms may alternatively also provide more training to less able individuals or focus on the most...