The growing importance of regional integration, particularly in the Triad of Western Europe, North America and the Asia-Pacific region, is not always regarded as positive, but is also criticized because of the dangers involved for free world trade. What effects on world trade are to be expected?...

Donor agencies invest considerable financial and human resources to evaluate the outcome of their development activities. To derive institutional conditions conducive to an efficient use of these resources, we develop a multi-level principal-agent model focusing on the various interests of the...