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...

There has been an extensive discussion on the applicability of Poisson Pseudo Maximum Likelihood (PPML) to trade. Here, we are going to analyse again the performance of PPML but in the light of a bimodal distribution; in addition, we also explicitly account for excess zeros. Simulations are...

Der Beitrag gibt einen Überblick über neuere Entwicklungen bei Schätzmethoden, Instrumentalvariablenansätzen, Paneldatenmodellen sowie nicht- und semiparametrischen Modellen für Mikrodaten, ergänzt um einige Testverfahren aus diesen Bereichen. Besondere Aufmerksamkeit wird auf Probleme mit...

Angesichts globaler Krisen wie der Bedrohung der natürlichen Umwelt und zahlreicher öffentlicher und privatwirtschaftlicher Skandale stoßen moralisch-ethische Fragen auf allgemeines Interesse. Immer mehr Menschen stellen sich die Frage nach dem Sinn und Werthaltigkeit der wirtschaftlichen...

We generalize the classical concept of a certainty equivalent to a model where an investor can trade on a capital market with several future trading dates. We show that if a riskless asset is traded and the investor has a CARA utility then our generalized certainty equivalent can be evaluated...

We analyze a general business tax in an uncertain economy. Our tax system allows for a time-dependent tax rate and to this end we incorporate a generalized allowance for corporate equity (ACE). The generalized allowance is given by a fraction of the product of interest rate and book value of the...