In Economics, as in any social science, empirical tests of theoretical results face a problem: researchers are unable to reproduce the whole economy (or at least its relevant parts) in their laboratories. Nowadays, Experimental Economics uses stylized experiments, drawing on the experience of...

The purpose of the paper is (1) to analyze the incentives for a vertically integrated input monopolist to engage in price-discrimination when there is downstream entry, and (2) to examine the question, whether a cost-based regulation of access charges for electricity grids enhances competition...

In dem Paper wird untersucht, wann ein vertikal integrierter Netzbetreiber einen Anreiz hat, durch Fordern hoher Netznutzungsentgelte den Wettbewerb im nachgelagerten Produktmarkt zu beschränken. Außerdem wird geprüft, ob und wie eine kostenorientierte Regulierung der Netznutzungsentgelte den...

Crucial to the analysis in this paper is the Coasian insight that external costs result from conflicting uses of scarce resources and that responsibility for these costs should not be attributed exclusively to polluters as required by the polluter pays principle (PPP). The paper argues that the...