Starting from an information process governed by a geometric Brownian motion we show that asset returns are predictable if the elasticity of the pricing kernel is not constant. Declining [Increasing] elasticity of the pricing kernel leads to mean reversion and negatively autocorrelated asset...

Die empirische Überprüfung von steuerlich bedingten Marktsegmentationen (Steuer-Klientel- Effekten) ergab an den DM-Anleihemärkten asymmetrische Ergebnisse für Anleihen in Abhängigkeit von deren Kurshöhe. Im vorliegenden Beitrag werden diese Resultate durch Friktionen bei der Bildung von...

Investments in socially responsible investments (SRI) are still a small, but growing segment of international capital markets. This study analyses whether a SRI screening process applied to equities results in a different performance outcome compared to relevant conventional benchmark indexes....

Im deutschen Einkommensteuersystem wird Ersparnisbildung in Kapitallebensversicherungen durch die Absetzbarkeit der Versicherungsprämien bei der Ermittlung des zu versteuernden Einkommens und durch die Steuerfreiheit der Endausschüttung begünstigt. Die daraus resultierende Steuerersparnis ist...

Owners of private companies are often highly underdiversified which exposes them to idiosyncratic risk. We investigate the consequences of underdiversification at the company level. Information on US companies and their owners is obtained from the Survey of Consumer Finances and the Survey of...

Im Oktober 1998 befragte das ZEW rund 250 Finanzexperten aus Banken, Versicherungen, Kapitalanlagegesellschaften und großen Industrieunternehmen nach ihren Empfehlungen zur Gestaltung eines Vermögensportfolios zur Altersvorsorge. Dieses Papier untersucht in einem ersten Schritt, ob in...

This study focuses on the diversification benefits of the most developed equity markets of Central and Eastern Europe (CEE). To evaluate these benefits of diversification we use so-called spanning tests based on a stochastic discount factor approach and estimated by General Methods of Moments...

Owners of private companies often invest a substantial share of their net worth in one company, which exposes them to idiosyncratic risk. For US companies we investigate whether owners require compensation for lack of diversification in the form of higher returns to equity. Exposure to...

Owners of private companies often invest a substantial share of their net worth in one company, which exposes them to idiosyncratic risk. For US companies we investigate whether owners require compensation for lack of diversification in the form of higher returns to equity. Exposure to...

This paper analyses whether strategic motives for patenting influence the characteristics of companies' patent portfolios. We use the number of citations and oppositions to represent these characteristics. The investigation is based on survey and patent data from German companies. We find clear...