This paper analyses the wage premia associated with workers' occupational use of foreign languages in Germany. After eliminating time-invariant unobserved heterogeneity and other confounding factors, sizable returns of about 10 percent to applying fluent English skills are found. Returns to...

Eine höhere Nettozuwanderung nach Deutschland könnte ein Schlüssel zur Abmilderung der Alterung der Erwerbsbevölkerung werden. Doch welche Migrationspotenziale existieren weltweit und wie groß wird die resultierende Zuwanderung voraussichtlich sein? Deutschland ist eines der präferierten...

Europe • Germany must once again see itself as an important part of and a leading nation within the EU. The new German government should consistently think and act in a European way on foreign trade issues. • Only a strong EU single market can compete on equal terms with the USA and China....

The Fukushima Daiichi accident in Japan in March 2011 caused a fundamental change in Germany's energy policy which led to the immediate shut down of nearly half of its nuclear power plants. This paper uses data from Germany's largest internet platform for real estate to investigate the effect of...

When individual or household incomes are collected for administrative or scientific surveys, the reference period of income is sometimes a month, sometimes a quarter, and sometimes a year. This reference period of income likely affects the shape of the distribution and derived measures of...

Feenstra and Ma (2008) develop a monopolistic competition model where firms choose their optimal product scope by balancing the profits from a new variety against the costs of “cannibalizing” sales of existing varieties. While more productive firms always have a higher market share, there is...

This paper is the first to show theoretically and empirically how firms' production technology affects the choice of their preferred wage formation regime. Our theoretical framework predicts, first, that the larger the total factor productivity of a firm, the more likely it is to opt for...

We examine how foreign ownership of a firm affects the variety of goods that the firm exports and the number of countries it trades with. We construct a simple theoretical model of how foreign ownership may affect these extensive margins of exports and take this model to data from Germany, one...