The guiding principle of sustainability is widely accepted in todayś international policies. The principle contains two seperate objectives of justice with regard to the conservation and use of ecosystems and their services: (1) global justice between different people of the present generation...

This paper considers the (short run) employment and wage effects of the 2004 EUenlargement on firms located close to Germany's Eastern border. We use a 50% sample of Germans plants and apply difference-in-differences-estimators combined with a matching approach. We evaluate changes in total...

This paper provides first evidence on the social returns to education from both firm-level and regional human capital. Using panel data from German social security, both at an individual and aggregated at the plant and regional level, I estimate earnings functions incorporating measures of...

This paper uses an oligopoly model with heterogeneous firms to examine how an industry adjusts to rising import competition. The model predicts that in the short run the least efficient firms in the industry become inactive, surviving firms face a fall in output, mark-ups and profits, and the...

In recent years the economic performance of public non-profit sectors such as cultural services has become an interesting economic issue. This is due to the high dependence of cultural institutions on public funding on the one hand and the increasing cost-pressure on public budgets on the other...