"This paper analyzes the impact of the skill composition of migration flows on the host country's labor market in a specific factors two-sector model with heterogeneous labor (low-, medium-, and highly-skilled) and price- and wage-setting behavior. The low- and medium-skilled labor markets are...

"I study the recruiting behaviour of German establishments with regard to the use of foreign labour markets. Applying instrumental variable strategies, I find foreign affinity and labour market scarcity to stimulate the use of foreign markets. Regional labour market scarcity is particularly...

"The paper analyses the impact of regional own-ethnic concentration on the language proficiency of immigrants. It solves the endogeneity of immigrants' location choices by exploiting the fact that guest-workers in Germany after WWII were initially placed by firms and labor agencies. We find a...

"This paper provides an analysis of the labour market entry of migrant youth in Germany after completion of an apprenticeship. We are particularly interested in the impact of local cultural diversity on a successful career start. Focusing on the cohort of people completing apprenticeships in...

"This paper analyses the (self-)selection of migrants between countries which have substantial differences in the inequality of earnings and income levels. In an extended version of the Roy-model we consider migration costs, which tend to grow less than proportional with the income level. As a...

"This paper provides a decomposition of the projected change in the overall labour force in East and West Germany into three parts. The first, called the 'demographic component', shows the effects of fertility, mortality and a changing age structure of the population. The second effect is the...

"Two puzzling facts of international migration are that only a small share of a sending country's population emigrates and that net migration rates tend to cease over time. This paper addresses these issues in a migration model with heterogeneous agents that features temporary migration. In...

"Forecasts show a substantially decreasing and ageing labour force in Germany. This paper provides a decomposition of the projected change in the overall labour force into three parts. The first, called the 'demographic component', shows the effects of fertility, mortality and a changing age...

"This paper examines the macroeconomic consequences of the diversion of migration flows away from Germany towards the UK in the course of the EU Eastern Enlargement. The EU has agreed with the new member states from Central and Eastern Europe transitional periods for the free movement of...

"This paper analyses the effects of education signals for Ethnic Germans and Germans without a migration background ('Native Germans'). We base our analysis on a sorting model with productivity enhancing effects of education. We compare whether the signalling value differs between the migrants...