This paper is concerned with agri-environmental policy in Germany and focuses in particular on soil and water conservation. At first it discusses to what extent agriculture contributes to erosion and the pollution of surface waters and groundwater with nutrients and pesticides. Whereas erosion...

In den letzten Jahren hat sich die Bioenergieproduktion rasant entwickelt, so dass man mittlerweile von einem "Bioenergieboom" sprechen kann (WBGU 2008: 1). Maßgeblich unterstützt wurde dieser Trend hierzulande durch die starke politische Förderung von Bioenergie sowohl von Seiten der...

There is no consensus on what defines a reference for the world rice price. A review on rice as a differentiated commodity shed two important insights. First, it confirms that few studies have considered segmentation of rice in their price analysis. Second, Thai 5% brokens has often been...

Applied general and partial equilibrium models are widely used tools for ex ante analysis of trade policy changes. However, simulation results seem to exhibit significant variation across publications, and the often criticised 'black box' character of applied trade models makes meaningful...