We model a firm in an institutional market setting, consisting of a production technology and its governance. The governance consists of a hierarchical firm structure, a cost efficiency parameter,and an internal pay system. The depth of the firm is determined by profit maximization under the...

See also 'Are Education and Entrepreneurial Income Endogenous?' in <I>Entrepreneurship Research Journal</I> (2012), 2(3), 1-27.<P> Education is a well-known driver of (entrepreneurial) income. The measurement of its influence, however, suffers from endogeneity suspicion. For instance, ability and...</p></i>

We analyse the decision to become an entrepreneur by either taking over an established business or starting a new venture from scratch. A model is developed which predicts how several individual- and firm-specific characteristics influence entrepreneurs' entry mode. The new venture creation mode...

This paper augments the theory of optimal linear income taxation by taking into account human capital accumulation as a dimension of labor supply. The distribution of earning potentials is endogenous because agents differ in the ability to learn. Taxation affects utilization rates of human...

This paper investigates the relation between human capital andretirement when the age of retirement is endogenous. This relation isexamined in a life-cycle earnings model. An employee works full timeuntil retirement. The worker accumulates human capital by training-on-the-job and by...

This discussion paper was published in the <I> Economics of Education Review</I> (2012). Vol. 31(5), 515-523.<P> The validity of family background variables instrumenting education in income regressions has been much criticized. In this paper, we use data of the 2004 German Socio-Economic Panel and...</p></i>

Using the New Immigrant Survey, we investigate the impact of immigrant women’s own labor supply prior to migrating and female labor supply in their source country on their labor supply and wages in the US. Women migrating from higher female labor supply countries work more in the US. Most of...

This paper analyzes the impact of college enrollment expansion on student academic achievements and labor market outcomes in the context of competition among colleges. When public policies promote “access” to college education, colleges adjust their curricula: Less selective public colleges...

Besides the theoretical approach, the paper also includes an research conducted with students of the Faculty of Jornalism and Communication at the University of Bucarest. The main objective of this research was to determine the extent to which the media fiction (television series for youth)...

Sumo wrestling is a traditional fighting sport in Japan and has been popular since the 18th century (the Edo period). Using a data set for all sumo wrestlers in the post-World War II period, this paper investigates how wrestlers’ body mass index (BMI) is associated with their win rate and...