Financiers of social entrepreneurs are typically characterized as having some form of prosocial or CSR related objective. While in some studies such objectives have been formulated on an analytically inconvenient level, other contributions are limited only to charity finance. In this paper we...

Limited donations force nonprofit entrepreneurs to ration needy individuals by deciding on who is served at what quality level. We propose a positive model of this allocation for applicants with differing incomes under the assumption of perfect user-fee discrimination. By following recent...

Small monopoly trade unions decide upon the wage rate per hour and the hours of work subject to firm's demand for union members. Since the resulting Nash equilibrium is characterized by excess unemployment, we study the employment and welfare effects when trade unions try to coordinate their...

Experimental economists have discovered various violations of expected utility theory and offered alternative models that can explain laboratory results. This study discovers a new violation in risky choices that cannot be explained by theories like Prospect Theory, Disappoint- ment or Regret...

The use of screening contracts is a common approach to solve supply chain coordination problems under asymmetric information. One major assumption in this context is that subjects will rather use their private information strategically than to reveal them truthfully, if they do not get any...

This paper deals with credit market imperfections and idiosyncratic risks in a two–sector heterogeneous agent dynamic general equilibrium model of occupational choice. We focus especially on the effects of tightening financial constraints on macroeconomic performance, entrepreneurial...

Mit dem von P. Nyhuis und H.-P. Wiendahl entwickelten Konzept der logistischen Kennlinien ist das Ziel verbunden, den Zusammenhang zwischen verschiedenen Kenngrößen eines logistischen Systems mit einem einfachen Funktionsverlauf hinreichend genau abzubilden. Im Rahmen von Lagerkennlinien soll...

Das Bestandsmanagement von Ersatzteilen stellt Hersteller langlebiger Industrie- und Konsumgüter insbesondere in der Nachserienphase vor große Herausforderungen, da nach Abschluss der Serienproduktion die zur einer effizienten Bedarfsbefriedigung notwendige Flexibilität nur noch in...

At online auction platforms we often observed that substitutable goods are auctioned concurrently with auctions ending at the same time. I introduce an experimental setup of three sellers and four buyers in an ascending second price auction environment where every seller runs one auction with a...