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Learning in Financial Markets

Author

Listed:
  • Lubos Pastor
  • Pietro Veronesi

    (Booth School of Business, University of Chicago, Chicago, Illinois 60637)

Abstract

We survey the recent literature on learning in financial markets. Our main theme is that many financial market phenomena that appear puzzling at first sight are easier to understand once we recognize that parameters in financial models are uncertain and subject to learning. We discuss phenomena related to the volatility and predictability of asset returns, stock price bubbles, portfolio choice, mutual fund flows, trading volume, and firm profitability, among others.

Suggested Citation

  • Lubos Pastor & Pietro Veronesi, 2009. "Learning in Financial Markets," Annual Review of Financial Economics, Annual Reviews, vol. 1(1), pages 361-381, November.
    • Handle: RePEc:anr:refeco:v:1:y:2009:p:361-381
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    File URL: http://www.annualreviews.org/doi/abs/10.1146/annurev.financial.050808.114428
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    Keywords

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    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G23 - Financial Economics - - Financial Institutions and Services - - - Non-bank Financial Institutions; Financial Instruments; Institutional Investors
    • L25 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Performance

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