This paper derives a three stage Cournot-oligopoly game for product innovation, expenditure on introducing the product and competition on the product market. Product innovation is assumed to increase consumer utility but is effective only if the innovating firm invests in marketing, so that...

Der vorliegende Diskussionsbeitrag entstand im Rahmen eines Forschungsprojektes über die monetäre Integration von fünf mittel- und osteuropäischen EU-Beitrittskandidaten (Polen, Tschechische Republik, Ungarn, Slowenien und Estland). Das hier vorgestellte Kapitel geht auf die...

Theory -- Decision Theory -- Basic Concepts -- Multistage Game -- Repeated Games -- Incomplete Information -- Problems -- Methodology -- Industrial Economics Application Examples -- Public Finance Application Examples -- Military Application Examples -- Miscellaneous Application Examples.

Basel II changes risk management in banks strongly. Internal rating procedures would lead one to expect that banks are changing over to active risk control. But, if risk management is no longer a simple "game against nature", if all agents involved are active players then a shift from a...

Helping somebody may undermine his incentives to work. What Buchanan identified more than 25 years ago as the Samaritan's dilemma is basically a time-inconsistency problem. The paper discusses possible solutions of the dilemma such as punishment within an iterated game, reshaping the game in the...