Research rankings based on publications and citations today dominate governance of academia. Yet they have unintended side effects on individual scholars and academic institutions and can be counterproductive. They induce a substitution of the taste for science by a taste for publication. We...

Employer-provided health benefits for workers who retire before age 65 has fallen over the last decade. We examine a cohort of male workers from the Health and Retirement Survey to explore the dynamics of retiree health benefits and the relationship between retiree health benefits and retirement...

While in the US stock-based incentives are commonly used since the 50s of the last century, in Germany they were invented only some ten years ago. Even in 1996 firms faced considerable regulatory difficulties when willing to grant such incentives. In the meantime the legal environment has...

The process by which scholarly papers are selected for publication in a journal is faced with serious problems. The referees rarely agree and often are biased. This paper discusses two alternative measures to evaluate scholars. The first alternative suggests input control. The second one...

Search frictions impede the labor market. Despite this indisputable fact, it is a priori unclear how job search costs affect search duration and unemployment: lower search costs make it easier to find a job, reducing search duration and unemployment, but may also increase the reservation wage,...

We present a model of aggregate fluctuations in which monopolistic firms face sunk costs to enter the production process and labor markets are characterized by search and matching frictions. Entrants post vacancies and are matched to idle workers. Our specification of sunk costs gives rise to a...

The purpose of this paper is to develop a model that integrates inventory and labor decisions We extend a model of inventory behavior to include a detailed specification of the role of labor input in the production process and of the costs associated with it In particular we distinguish between...

This paper introduces a new IV strategy based on IVF (in vitro fertilization) induced fertility variation among childless women to estimate the causal effect of having children on their career. For this purpose, we use administrative data on IVF treated women in Denmark. Because observed chances...