In a patent thicket licensing provides a mechanism to either avoid or resolve hold up. We study the choice between ex ante licensing to avoid hold up and ex post licensing to resolve it. Firms’ choice of licensing contract is studied in the context of a patent portfolio race. We show that high...

This paper provides the first large scale study that examines the impact of both individual- and group-specific factors on the benefits users obtain from their user communities. By empirically analysing 924 survey responses from individuals in 161 Computer Associates' user groups, this paper...

Germany is one of few countries in which the monetary compensation for inventors is not only determined by negotiations between employer and employee-inventor, but also by relatively precise legal provisions. In this paper, we describe the characteristics of the German Employees’ Inventions...

Worldwide demographic changes and their implications for governments, corporations, and individuals have been in the focus of public interest for quite some time due to the fiscal risk related to adequate retirement benefits. Through a more detailed analysis of mortality data an additional type...

In recent years the market for asset backed securities (ABS) has shown a rapid growth. In an ABS transaction assets are first pooled and then securities backed by this pool are issued. In many cases, several tranches of securities differing with respect to their priority of payment are designed....

In enhanced annuities, the annuity payment depends on one's state of health at some contracted date while in "standard annuities", it does not. The focus of this paper is on an annuity market where "standard" and enhanced annuities areoffered simultaneously. When all insured know equally well on...

Der folgende Beitrag befasst sich mit dem Problem der Modellselektion im Finite Mixture Partial Least Squares (FIMIX-PLS)-Ansatz. Dieser Ansatz, welcher der Methodengruppe der Mischverteilungsmodelle zuzuordnen ist, ermöglicht eine simultane Schätzung der Modellparameter bei gleichzeitiger...

In jüngerer Zeit verwenden Teile der Literatur das auf Brennan zurückgehende Nachsteuer- CAPM, um Unternehmenswerte nach (differenzierten) persönlichen Steuern zu bestimmen. In diesem Beitrag wird das Modell auf drei unterschiedliche Steuersätze erweitert. Gezeigt wird, dass das...

Für eine Gruppe von DAX-Unternehmen wird die Bedeutung von Noise Trading für das Pricing von Stamm- und Vorzugsaktien untersucht. Dabei kann für Renditen von Long-Short Portfolios gebildet aus Index- und Nicht-Indexgattung Excess-Comovement mit dem Markt nachgewiesen werden. Unter der...

This paper analyses whether freedom of decision as a crucial precondition of normative deci-sion theory is questioned by ethics and neurobiology. It argues for an understanding of busi-ness ethics which sees the economic agents’ freedom of decision as the necessary basis for handling ethical...