By application of case-based learning (CBL) various effects can be analyzed and demonstrated more easily. In the area of medicine one rapidly reaches boundaries in the visualization of complex information [J.L.M. Poiseuille, Recherches experimentales sur le mouvement des liquids dans les tubes...

The fact that according to the celebrated Coase Theorem rational parties always try to exploit all gains from trade is usually taken as an argument against the necessity of government intervention through Pigouvian taxation in order to correct externalities. However, we show that the hold-up...