The study evaluates the efficiency of government intervention using a vertical structured model including imperfectly competitive agricultural input markets, the bread grain market, and the imperfectly competitive food industry. To test for policy efficiency the actually observed bread grain...

The spatial dimension of most agricultural raw product markets (e.g., milk) and the high concentration of food processors facilitate the exercise of market power towards farmers. In the milk sector, processors that are investor-owned firms (IOFs) compete alongside processing cooperatives (COOPs)...

The thesis addresses firm-heterogeneity in micro-level panel datasets and the necessity to take this heterogeneity into account to obtain unbiased measures of productivity (growth) and technical efficiency in a parametric frontier framework. Various existing and newly introduced econometric...

Über Jahrzehnte hinweg wurde ein beträchtlicher Teil des EU Budgets verwendet um die europäischen Landwirte zu unterstützen. In dieser Arbeit analysieren wir den Einfluss verschiedener Instrumente der Gemeinsamen Agrarpolitik (GAP) auf die landwirtschaftlichen Bodenkauf - und...

For quite some time long-only index funds have been suspected of being responsible for price increases in agricultural futures markets. This suspicion has prompted demands to drastically limit long-only index funds' scope of activity. Such demands and their underlying diagnoses, however,...