This note corrects an error in the analysis of Goering/Boyce (1999) and extends their results. In this way, it refutes the claim that the durability of rented products plays a decisive role for the second-best emission taxation under imperfect competition.

The related phenomena of learning curve and network effects are quite common in oligopolistic markets. In this context the present paper discusses the incentives of a technological leader to share its exclusive technology with potential competitors. An alliance may be preferable because partner...

In the basic model of the literature on international environmental agreements (IEAs) (Barrett 1994; Rubio and Ulph 2006) the number of signatories of selfenforcing IEAs does not exceed three, if non-positive emissions are ruled out. We extend that model by introducing a composite consumer good and...

We examine two types of altruism and their implications for voluntary giving. Philanthropists are altruists who wish to enhance the well-being of others, while individuals with merit-good preferences only wish to further the consumption of certain merit goods by others. Philanthropic donors...

Die Verlagerung von der ambulanten zur stationären Pflege ist eine der Hauptursachen für die Ausgabensteigerungen der gesetzlichen Pflegeversicherung. Um diesen so genannten Heimsog zu reduzieren, haben die Pflegekassen ein Modellprojekt Personengebundenes Pflegebudgetinitiiert, das über ein...