Hong, Harrison and Rady, Sven (2000) Strategic trading and learning about liquidity. Financial Markets Group Discussion Papers (356). Financial Markets Group, The London School of Economics and Political Science, London, UK.
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Abstract
Many practitioners point out that the speculative profits of institutional traders are eroded by the difficulty in gauging the price impact of their trades. In this paper, we develop a model of strategic trading where speculators face such a dilemma because of incomplete information about time-varying market liquidity. Unlike the competitive market makers that they trade against, informed traders do not know whether the liquidity ("noise") trades are generated from a distribution with high or low variance. Instead, they have to learn about liquidity from past prices and trading volume. Extreme price deviations from forecasts of fundamentals based on public news of low trading volume tend to lead to revisions of beliefs in favor of the low liquidity state. This revision in beliefs implies that strategic trades and market statistics such as informational efficiency are path-dependent on past market outcomes. Our paper has a number of normative implications for practitioners concerned with gauging the potential price impact of their trades.
Item Type: | Monograph (Discussion Paper) |
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Official URL: | https://www.fmg.ac.uk/ |
Additional Information: | © 2000 The Author(s) |
Divisions: | Financial Markets Group |
Subjects: | H Social Sciences > HC Economic History and Conditions H Social Sciences > HG Finance |
JEL classification: | G - Financial Economics > G0 - General > G00 - General G - Financial Economics > G1 - General Financial Markets > G10 - General |
Date Deposited: | 29 Jun 2023 14:33 |
Last Modified: | 11 Dec 2024 19:47 |
URI: | http://eprints.lse.ac.uk/id/eprint/119102 |
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