Countertrade agreements in international trade refer to a practice in which an exporter agrees to purchase in the future, from the importer, commodities proportional to his original export sale. The paper analyzes why it might be efficient for agents to undertake trade through a reciprocal...

In an interaction it is possible that one agent has features it is aware of but the opponent is not. These features (e.g. cost, valuation or fighting ability) are referred to as the agent's type. The paper compares two models of evolution in symmetric situations of this kind. In one model the...

Countertrade agreements in international trade refer to a trade practice in which an exporter agrees to purchase back commodities proportional to his original export sale in the future. This paper provides a rationale for why such an agreement might be efficient. More specifically, the paper...

Teil I Individuelle Entscheidungen: Entscheidung unter Sicherheit -- Entscheidung unter Unsicherheit -- Teil II Kollektive und Strategische Entscheidungen: Wohlfahrtsanalyse und Kollektive Entscheidung -- Märkte -- Spieltheorie - Strategische Entscheidungen -- Bayesianische Spiele --...

Die Theorie strategischen Handelns prägt die moderne sozialwissenschaftliche Forschung. Angesichts deren extremer Prämissen hat sich, ausgehend von biologischen Ansätzen zur Entwicklung der Arten, eine alternative Theorie zur Erklärung individuellen Verhaltens entwickelt. Die Evolutionäre...