The analysis of climate change is confronted with large uncertainties that need to be taken into account to arrive at meaningful policy recommendations. The main contribution of economics to this interdisciplinary task is to provide formal frameworks and techniques for analyzing climate policy...

Do firms reduce employment when their insiders (established, incumbent employees) claim higher wages? The conventional answer in the theoretical literature is that insider power has no influence on employment, provided that the newly hired employees (entrants) receive their reservation wages....

The paper discusses various possible approaches to turnover taxation in cyberspace. It shows that the main challenge of the new economy is to effectively cope with B2C international trade in digital online goods and services. However, most approaches to turnover taxation discussed in the...

The analysis provides a new explanation for two widespread problems concerning European unemployment policy: the disappointingly small effect of many past reform measures on unemployment, and the political difficulties in implementing more extensive reform programs. We argue that the heart of...

This paper explores the optimal design of subsidies for hiring unemployed workers (?employment vouchers? for short) in the context of a dynamic model of the labor market. Focusing on the short-term and long-term effects of the vouchers on employment and unemployment, the analysis shows how the...