Incomplete Information and Heterogeneous Beliefs in Continuous-time Finance:
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Bibliographische Detailangaben
1. Verfasser: Ziegler, Alexandre (VerfasserIn)
Format: Elektronisch E-Book
Sprache:English
Veröffentlicht: Berlin, Heidelberg Springer Berlin Heidelberg 2003
Schriftenreihe:Springer Finance
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Online-Zugang:Volltext
Beschreibung:Continuous-time finance was developed in the late sixties and early seventies by R. C. Merton. Over the years, due to its elegance and analytical convenience, the continuous-time paradigm has become the standard tool of analysis in portfolio theory and asset pricing. However, and probably because it was developed hand in hand with option pricing, in which investors' expectations were thought not to matter, continuous-time finance has for a long time almost entirely neglected investors' beliefs. More recently, the development of martingale pricing techniques, in which expectations playa dominant role, and the blurring boundary between those methods and the original methods of continuous-time finance based on the Ito calculus, have allowed expectations to regain their central role in finance. The habilitation thesis of Professor Alexandre Ziegler is entirely devoted to the role of expectations in continuous-time finance. After a brief review of the literature, the author analyzes the consequences of incomplete information and heterogeneous beliefs for optimal portfolio and consumption choice and equilibrium asset pricing. Relaxing the assumption that investors can observe expected dividend growth perfectly, the author shows that incomplete information affects stock prices and their dynamics, thus providing a potential explanation for the asset price bubble of the late 1990s. He also demonstrates how the presence of heterogeneous beliefs among investors affects their optimal portfolios and their optimal consumption patterns
Beschreibung:1 Online-Ressource (XIII, 198 p)
ISBN:9783540247555
9783642055676
ISSN:1616-0533
DOI:10.1007/978-3-540-24755-5

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