While the IS/LM-AS/AD model is still the central tool of macroeconomic teaching it has been criticised by several economists. The model is unable to deal with a monetary policy that uses the interest rate as its operating target ( Romer [2000]). Walsh [2002] has criticised that it is not suited...

It is not always easy to see a common thread in Tullock's work: he is almost too fertile and throws off so many ideas in all directions that the connecting links between them threaten to disappear from view. Any simple summary of his 'system', therefore, must wait on some future effort of his...

In this paper a discrete choice model is suggested which generates unambiguously lower prices, if oligopolists discriminate by price. In a setting of two groups of consumers and two firms this is due to a different ranking of the elasticity of demand of the two groups by the two firms. Here,...

The last years have witnessed a sharp increase of interest in monetary policy rules (see Taylor [1999]). This normative branch of monetary policy tries to evaluate the performance of alternative monetary policy rules in terms of associated monetary policy outcomes. Nevertheless this exercise is...

In a two-stage model insurance companies first decide upon risk classification and then compete in prices. I show that the observed heterogeneous behavior of similar firms is compatible with rational behavior. On the deregulated German insurance market individual application of classification...

Der Beitrag stellt die Aufgabe des verfassungsökonomisch argumentierenden Wissenschaftlers vor. Der Verfassungsökonom sucht nach Möglichkeiten der gemeinsamen Besserstellung für die Bürger, die sich insbesondere durch Reformen der die Ordnung bildenden Regeln ergeben. Seine Vorschläge sind...