Since the 1980's the phenomenon of potential climate change or 'global warming' has been one of the predominant topics in environmental economics. Uncertainty is one of the main characteristics of climate change since many important scientific relationships are not yet well enough understood....

This paper aims to test the validity of the Ricardian proposition for the Spanish economy from three different approaches: a) by testing its theoretical implications on the stability of national saving and the relationship between fiscal and current account balances, b) by carrying a number of...

Im Rahmen dieser Arbeit wurden Ambiguitätsindikatoren aus Erkenntnissen der Ambiguitäts-, Medien- und Kommunikationsforschung abgeleitet, die ambige Informationszustände beschreiben bzw. unter denen eine erhöhte wahrgenommene Unsicherheit besteht oder entstehen kann. Diese lauten: Zu wenige...

This paper analyzes optimal pricing for information goods underincomplete information, when both unlimited-usage (fixed-fee) pricingand usage-based pricing are feasible and administering usage-basedpricing may involve transaction costs. It is shown that offeringfixed-fee pricing in addition to a...

Game theoretic modeling involves making assumptions on agents' infinite hierarchies of beliefs. These assumptions are understood to be only approximately satisfied in the actual situation. Thus, the significance of game theoretic predictions depend on robustness properties of the solution...

I present a simple model of intra-household allocation between spouses to show that when the quantity of resources available to the household is not perfectly observed by both spouses, hiding of income can occur even when revelation of the additional resources increases bargaining power. From...

There is evidence that some multi-person households may withhold income transfers, such as bonuses, gifts, and cash transfers, from other members of the household (Ashraf (2009); Vogler and Pahl, (1994)). In this paper, I show that the incentives to hide income under incomplete information...

In dieser Dissertation untersuchen wir die Terminstruktur der Kreditspreads auf Unternehmensanleihen bei korrelierten Unternehmensausfällen und asymmetrischer Information. Ausfallabhängigkeiten haben eine Reihe von Ursachen. Emittenten können durch direkte Beziehungen wie...

Diese Dissertation setzt sich aus fünf Forschungspapieren zusammen. Jedes Kapitel enthält ein Papier. Das erste Kapitel untersucht den Zusammenhang zwischen der Größe des Kundenstamms einer Firma und ihrem Gewinn in einem Markt mit Wechselkosten. Entgegen unserer Intuition wird gezeigt, dass...