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Overconfidence, Subjective Perception and Pricing Behavior

  • Pierpaolo Benigno
  • Anastasios Karantounias

We study the implications of a particular form of irrationality on the pricing behavior of firms in a monopolistic-competitive market with incomplete information. We assume that firms are overconfident, meaning that they over-estimate their abilities to understand the correct model of the economy. However, we allow firms to obtain information by paying a fixed cost. We find two important implications: i) overconfident firms are less inclined to acquire information; ii) prices might exhibit excess volatility driven by non-fundamental disturbances. We use our model to match some facts related to recent empirical evidence on disaggregated price data for the US economy.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 11922.

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Date of creation: Jan 2006
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Handle: RePEc:nbr:nberwo:11922
Note: ME
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  19. Daniel, Kent & Hirshleifer, David & Teoh, Siew Hong, 2002. "Investor psychology in capital markets: evidence and policy implications," Journal of Monetary Economics, Elsevier, vol. 49(1), pages 139-209, January.
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