Das Bundeskartellamt hat sich im Juni 2011 mit Marktinformationssystemen auf dem Rohmilchmarkt beschäftigt und die Auffassung vertreten, dass auf diesem Markt eine zu hohe Markttransparenz herrsche. Dies reduziere den für einen funktionierenden Markt erforderlichen Geheimwettbewerb. Dem...

In this paper, we are going to reconsider the standard Viner Model [Viner, 1950] however under the premise of firm heterogeneity. By means of a graphical analysis we show that a consideration of the degree of firm heterogeneity is important for an evaluation of a preferential trade agreement....

Recently, discussion about the appropriate estimation of gravity trade models has started in agriculture. Here, we are going to review recent developments in the literature. It appears that fixed effects Poisson Pseudo Maximum Likelihood is not only the only consistent estimator [Santos Silva...

With this paper, we provide the first quantitative investigation of vertical price transmission in the biodiesel supply chain in Germany with the focus on the developments during the food crisis and the impact of subsidized US biodiesel exports. With the strong promotion of the production and...