This discussion paper resulted in a publication in <A href="http://link.springer.com/article/10.1007%2Fs11187-012-9436-x">'Small Business Economics'</A>, 2013, 41(2), 335-357.<P> Policy in developed countries is often based on the assumption that higher business ownership rates induce economic value. Recent microeconomic empirical evidence casts doubts on the validity of...</p></a>

We present a structural framework for the evaluation of public policies intended to increase job search intensity. Most of the literature defines search intensity as a scalar that influences the arrival rate of job offers; here we treat it as the number of job applications that workers send out....

This discussion paper resulted in a publication in 'Industrial and Corporate Change' (2010). Volume 19, issue 4, pages 1109-1139.<P> Entrepreneurs exit their business due to selection mechanisms experienced in the market place. Next to this well known ex-post decision to exit, entrepreneurs select...</p>

This paper shows that we can normalize job and worker characteristics so that, without frictions,there exists a linear relationship between wages on the one hand and worker and job type indiceson the other. However, for five European countries and the United States we find strong evidencefor a...