In a recent paper, Homburg and Richter have argued that with free mobility of labor within a common labor market there is a need to harmonize and even consolidate pay-as-you-go financed national public pension systems to reach an efficient allocation of labor. We show that with free and...

In a simple model based on political support approach, we show that poor and less egalitarian societies may impose a lower tax rate contrary to the prediction of the median voter approach. This is consistent with the available empirical findings. In the framework developed in this paper, the...

This paper considers the players' behavior in an asymmetric two-player contest. When do they decide to struggle and when to subjugate? Analyzing contest-success functions it is found that two crucial prerequisites for struggle or war have to be met. Thus, such an equilibrium is possible but...