Despite favourable ecological and economic results, many developing countries have not yet adopted an integrated pesticide management (IPM). Given rising marginal costs and diminishing marginal benefits from IPM technology transfer, an optimal control framework is used to identify optimal rates...

The process of European integration has gained considerable momentum during the past couple of years. This paper provides an assessment of the degree of integration of both the accession states of central and eastern Europe and of the pre-ins for monetary union with respect to Germany. Using...

Using a newly constructed macroeconometric model for Germany and the rest of the Euro area, we investigate the macroeconomic effects of structural labor market reforms in Germany. We find that neither the fact that Germany can no longer pursue an independent monetary policy nor the possibility...

This paper addresses the question of why prolonged regional unemployment differentials tend to persist even after their proximate causes have been reversed (e.g., after wages in the highunemployment regions have fallen relative to those in the low-unemployment regions). We suggest that the...

This paper addresses the question of why prolonged regional unemployment differentials tend to persist even after their proximate causes have been reversed (e.g., after wages in the highunemployment regions have fallen relative to those in the low-unemployment regions). We suggest that the...