"Empirical evidence for the US shows that migrants increase the productivity of regions. To explain the impact of migrants on the average firm productivity we construct a general equilibrium model with monopolistic competition a la Melitz (2003). We consider heterogeneous firms with different...

The subject of offshoring and productivity has not yet received the attention it deserves. Here I propose a simple framework for estimating the contribution of these strategies to the growth rate of labor productivity from a time-series perspective. This framework is then used to assess the...

"In this article we present the interdisciplinary, developmental and systemic approach to the study of work and aging that guides research at the Jacobs Center on Lifelong Learning and Institutional Development (JCLL). We introduce basic principles of adult development including its plasticity,...

"In recent years the availability of new industry-level data allowed to evaluate the impact of labour market policies more consistently than previous standard cross-country studies. In this paper an industry-level panel is exploited to evaluate the impact of Employment Protection Legislation...

"In recent years the availability of new industry-level data allowed to evaluate the impact of labour market policies more consistently than previous standard cross-country studies. In this paper an industry-level panel is exploited to evaluate the impact of Employment Protection Legislation...

"This paper analyses the development of labour productivity of a sample of comparable small and medium-sized enterprises in eastern and western Germany in the period 1992-2002. It emerges that the surviving eastern German enterprises were able to raise their efficiency to just under 87 % of the...