This article develops a socio-economic model that analyzes the doping decision of professional athletes. In their decision to use performance enhancing drugs athletes do not only evaluate the costs and benefits (in terms of potential rank improvement). They also take into account peer-group...

This paper gives a first economic approach to pro cycling and analyses the changes induced by the newly introduced UCI Pro Tour on the racing teams? behaviour. We develop an oligopolistic model starting from the well known Bertrand and Cournot frameworks to analyse if the actual setting of the...

Sport betting is in Germany, like other public lotteries, strictly regulated as a state monopoly. This state monopoly has been declared as an illegitimate fiscal monopoly by the German Supreme Court (Bundesverfassungsgericht) in March 2006. Following this sentence, a state monopoly in future has...

Vorliegendes Arbeitspapier analysiert sowohl entscheidungs- wie auch spieltheoretisch die Entscheidungssituation der Aktionäre, die einem Übernahmeangebot gegenüber stehen. Als erstes wird dabei der Begriff des "Gefangenendilemmas" definiert. Ferner wird dann die Entscheidungssituation für...

One possible conclusion from recent experimental research on decision making under risk is that observed behaviour can be reasonable accommodated by expected utility plus an error term. This conclusion implies that the violation rate of expected utility should decrease if errors are excluded....

This paper analyzes stochastic productive pollution within a model of endogenous growth. The extent to which the agents perceive their individual influence on aggregate pollution is parameterized. Recursive preferences allow for the separation between intertemporal substitutability and risk...

As institutional investors are engaged to realize attractive risk-adjusted returns, they can by definition be seen as risk managers. This paper analyzes their risk management behavior from a macro perspective and focuses on their incentives for rational herding. Based on a questionnaire survey...

In jüngster Vergangenheit hat die Versicherungswirtschaft einen grundlegenden Wandel durchlaufen. Deregulierung, Globalisierung sowie Substitutionskonkurrenz führten zu einem verschärften Wettbewerb um Marktanteile bei sinkenden Gewinnmargen. Aufgrund dieser neuen Wettbewerbsdynamik und den...

In this paper, I examine an inter-temporal exchange economy with a complete financial market. The economy is populated by two heterogeneous investors who differ from each other in their attitudes towards risk. In such a model, a single representative agent can be created who generates the same...

The rational prodigality argument, which often serves to justify social security, is considered in a second-best tax framework with endogenous labor supply. Rational prodigality renders the familiar policies time inconsistent. We analyze time consistent policies and show that a wage tax suffices...