The more we know on the fundamental, the less we agree on the price
AbstractI allow heterogenity in trading horizons across groups in a standard differential information model of a financial market. This can explain the empirical facts that after public announcements trading volume increases, more private information is incorporated into prices and volatility increases. Public information, in such environments, has the important secondary role of helping agents to learn about the information of other agents. As a consequence, whenever the correlation between private information across groups is sufficiently low, a public announcement increases disagreement among short horizon traders on the expected selling price, even if it decreases disagreement about the fundamental value of the asset. Additional testable implications are also suggested.
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Bibliographic InfoPaper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 8455.
Date of creation: Jun 2011
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Find related papers by JEL classification:
- D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
- D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
- G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
- G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
This paper has been announced in the following NEP Reports:
- NEP-ALL-2011-07-13 (All new papers)
- NEP-CBA-2011-07-13 (Central Banking)
- NEP-CTA-2011-07-13 (Contract Theory & Applications)
- NEP-MST-2011-07-13 (Market Microstructure)
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