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Journal of Finance Vol. 58 No. 4 2003

Presidential Address: Liquidity and Price Discovery

Maureen O’Hara

Abstract

This paper examines the implications of market microstructure for asset pricing. I argue that asset pricing ignores the central fact that asset prices evolve in markets. Markets provide liquidity and price discovery, and I argue that asset pricing models need to be recast in broader terms to incorporate the transactions costs of liquidity and the risks of price discovery. I argue that symmetric information‐based asset pricing models do not work because they assume that the underlying problems of liquidity and price discovery have been solved. I develop an asymmetric information asset pricing model that incorporates these effects.

DOI
10.1111/1540-6261.00569
Volume
58
Issue
4
Pages
1335-1354
Language
en
Sources
bibtex:phds-export.bib crossref openalex

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