This paper studies the optimal determination of bankruptcy exemptions for risk averse borrowers who use unsecured contracts but have the possibility of defaulting. I show that, in a large class of economies, knowledge of four variables is sufficient to determine whether a bankruptcy exemption...

This paper studies the optimal determination of bankruptcy exemptions for risk averse borrowers who use unsecured contracts but have the possibility of defaulting. I show that, in a large class of economies, knowledge of four variables is sufficient to determine whether a bankruptcy exemption...

The aim of this paper is to explain how financial constraints and family background characteristics affect the signalling educational investments of individuals born in low-income families. We show that talented students who are poor are unable to signal their talent, as the maximum level of...

We consider an infinite horizon economy with incomplete markets with two agents and one good. We begin with an example in which an agent's equilibrium consumption is zero eventually with probability one even if she has correct beliefs and is marginally more patient. We then prove the following...

Diese Arbeit stellt eine Monographie zur Eindeutigkeit von Wettbewerbsgleichgewichten in zweiperiodigen Finanzmarktmodellen, in Finanzmarktmodellen in endogener Unsicherheit (Sunspot-Modelle) sowie in dynamischen Finanzmarktmodellen mit der Struktur überlappender Generationen (OLG-Modelle) dar....