Incomplete Information and Heterogeneous Beliefs in Continuous-time Finance

Inbunden, Engelska, 2003

Av Alexandre C. Ziegler

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This book considers the impact of incomplete information and heterogeneous beliefs on investor's optimal portfolio and consumption behavior and equilibrium asset prices. After a brief review of the existing incomplete information literature, the effect of incomplete information on investors' exptected utility, risky asset prices, and interest rates is described. It is demonstrated that increasing the quality of investors' information need not increase their expected utility and the prices of risky assets. The impact of heterogeneous beliefs on investors' portfolio and consumption behavior and equilibrium asset prices is shown to be non-trivial. Heterogeneous beliefs can explain a number of observed phenomena, such as the fact that equilibrium state-price densities are not log-normal, the "smile" in option implied volatility, and the patterns of implied risk aversion reported recently in the literature. It is also demonstrated that financial markets in general do not aggregate information efficiently, a fact that can explain the equity premium puzzle.

Produktinformation

Utgivningsdatum2003-02-26
Mått155 x 235 x undefined mm
FormatInbunden
SpråkEngelska
SerieSpringer Finance
Antal sidor198
FörlagSpringer-Verlag Berlin and Heidelberg GmbH & Co. KG
ISBN9783540003441

Tillhör följande kategorier

Finansiering inom Ekonomi och ledarskap
Företagsekonomi inom Ekonomi och ledarskap

1 Incomplete Information: An Overview.- 1.1 Introduction.- 1.2 Portfolio Choice.- 1.3 The Term Structure of Interest Rates.- 1.4 Equilibrium Asset Pricing.- 1.5 Conclusion and Outlook.- 2 The Impact of Incomplete Information on Utility, Prices, and Interest Rates.- 2.1 Introduction.- 2.2 The Model.- 2.3 Equilibrium.- 2.4 Logarithmic Utility.- 2.5 Power Utility.- 2.6 Information, Utility, Prices, and Interest Rates: A Synthesis.- 2.7 Time-Varying Parameters.- 2.8 Conclusion.- 3 Optimal Portfolio Choice Under Heterogeneous Beliefs.- 3.1 Introduction.- 3.2 The Model.- 3.3 The Deviant Agent’s Problem.- 3.4 Optimal Portfolio Choice.- 3.5 An Example.- 3.6 Conclusion.- 4 Optimal Consumption Under Heterogeneous Beliefs.- 4.1 Introduction.- 4.2 The Cox-Huang Methodology.- 4.3 Heterogeneous Beliefs.- 4.4 An Example.- 4.5 Portfolios and Consumption: A Synthesis.- 4.6 Conclusion.- 5 Equilibrium Asset Pricing Under Heterogeneous Beliefs.- 5.1 Introduction.- 5.2 The Model.- 5.3 Equilibrium Consumption.- 5.4 Equilibrium Prices.- 5.5 Implied Risk Aversion.- 5.6 Conclusion.- 6 Costly Information, Imperfect Learning, and Information Aggregation.- 6.1 Introduction.- 6.2 The Model.- 6.3 Portfolio Choice under Costly Information.- 6.4 Equilibrium Asset Pricing.- 6.5 Information Aggregation and the Equity Premium.- 6.6 Conclusion.- 7 Summary and Conclusion.- C The Short Rate Under Heterogeneous Beliefs.- References.- List of Figures.- List of Tables.- List of Symbols.

From the reviews of the first edition: "The book is mainly addressed to researchers and graduate students in the fields of economics or finance. However, interested practitioners may also be counted to its target audience. ... the book presents an interesting source for those readers interested in the interplay of (micro-) economics and finance, ie. of incomplete information, heterogeneous beliefs and continuous-time financial models." (Klaus Schurger, Zentralblatt MATH, Vol. 1074, 2005)