Empirical research in organizational ecology has mainly focused on analyzing founding and mortality rates using life history data of the organizations. We try to extend this approach in our study in a number of ways. In contrast to most empirical studies in organizational ecology, we chose a...

The aim of the paper is to evaluate the role of universities in the innovation process. Against the background of theoretical considerations about the interrelation of innovation and the adaptation of external resources, the effects of university-based (knowledge) resources - together with other...

Immigrants in Germany display a poor earnings performance relative to natives. Arguing that human capital endowments identify earnings potentials rather than actual earnings, this paper estimates a stochastic earnings frontier and searches for systematic differences between natives and migrants...