In der Literatur zur Abschlußprüfung ist ein negativer Effekt eines ökonomischen Vorteils aus der wiederholten Mandatsannahme, der aufgrund von Transaktionskosten entsteht, auf die Unabhängigkeit des Abschlußprüfers diskutiert worden. Anders als die bisher vorgestellten Ansätze wird im...

We develop a dynamic duopoly model of R&D competition to improve the quality of a finalgood. The innovation process is sequential and cumulative, and takes place alongside productionin an infinite-horizon setting. In this context we study the R&D incentive impacts resultingfrom a “research...

Faced with real and nominal shocks, what should a benevolent central bankdo, …x the money growth rate or target the inflation rate? In this paper, wemake a …rst attempt at studying the optimal choice of monetary policy in-struments in a micro-founded model of money. Speci…cally, we produce...

Successful IT outsourcing is usually for the benefit of both parties: theoutsourcing client and the service provider. With a fixed price contract, the clienttries to lower project risks and costs by transferring parts of a project to theservice provider at a previously negotiated price. In this...

Our purpose is to show how large difference of beliefs induced by fear of crashesis amenable to large and persistent price responses to contemporaneous shocks. Weconstruct a pure exchange economy populated by two agents who estimate strictlydifferent models regarding the fundamental. In...

We explore the pricing of variance risk by decomposing stocks' total variance into systematicand idiosyncratic return variances. While systematic variance risk exhibits a negative priceof risk, common shocks to the variances of idiosyncratic returns carry a large positive riskpremium. This...

This paper presents an equilibrium model in a pure exchange economywhen investors have three possible sources of heterogeneity. Investorsmay differ in their beliefs, in their level of risk aversion andin their time preference rate. We study the impact of investors heterogeneityon equilibrium...

This analysis reveals the restricted scope of approaches which utilise arbitrage based arguments toprice contingent claims whose payoffs are determined by the outcome of non-zero-sum valuationgames between financial market participants. Many examples of such model formulations can befound, for...

The famous game of two cars is a pursuit-evasion dynamic game. In theextended version presented here, a correct driver (evader) on a freeway detectsa wrong-way driver (pursuer in a worst case scenario), i.e., a car driving on thewrong lanes of the road or in the wrong direction. The correct...