Endogenous Indeterminacy and Volatility of Asset Prices Under Ambiguity
University of London, Royal Holloway College - Department of Economics
If agents are ambiguity-averse and can invest in productive assets, asset prices can robustly exhibit indeterminacy in the markets that open after the productive investment has been launched. For indeterminacy to occur, the aggregate supply of goods must appear in precise configurations but the investment levels that generate these supplies arise systematically. That indeterminacy arises only at a knife-edge set of aggregate supplies allows for a simple explanation of the volatility of asset prices: small changes in supplies necessarily lead to a big price response.
Number of Pages in PDF File: 30
Keywords: ambiguity aversion, asset pricing, indeterminacy, excess volatility, general equilibrium
JEL Classification: D51, D53, D81, G12working papers series
Date posted: July 23, 2011 ; Last revised: December 21, 2012
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