Zu den zentralen Diskussionsthemen und Problemfeldern deutscher Wirtschafts-, Sozial- und Finanzpolitik gehören seit langem Fragen sozialer Sicherung wie auch die Situation und Entwicklung auf dem Arbeitsmarkt. Zwischen beiden Bereichen bestehen vielfältige Beziehungen, die außerordentlich...

Aging changes the political power in a democracy in favor of the elder generations. Consequently, the retirees can extend the pay-as-you-go financed pensions. Under free labor mobility like within the EU, the success of gerontocracy is restricted by migration of the young generations. This...

We analyse optimal environmental policies in a market that is vertically differentiated in terms of the energy efficiency of products. Considering energy taxes, subsidies to firms for investment in more eco-friendly products, and product standards, we are particularly interested in how...

In this note, we show that labour market integration can be a double-edged sword. In the presence of local human capital externalities, integration and the ensuing agglomeration of skilled labour can cause a decline in human capital and the total wage sum (net of education costs). In particular,...

The paper presents a model of two countries competing for the international pool of talented students from the rest of the world. To relax tuition-fee competition, countries differentiate their education systems in equilibrium. While one country offers high education quality at high charges for...

In this note, we present a novel channel for a brain gain. Students from a developing country study in a developed host country. A higher permanent migration probability of these students appears to be a brain drain for the developing country in the first place. However, it induces the host...

This paper presents a model of two countries competing for a pool of students from the rest of the world (ROW). In equilibrium, one country offers high educational quality for high tuition fees, while the other country provides a low quality and charges low fees. The quality in the high quality...