Value of information in competitive economies with incomplete markets
International Economic Review, 2014, Vol. 55, No. 1, pp. 57–81
GOTTARDI, Piero, RAHI, Rohit, Value of information in competitive economies with incomplete markets, International Economic Review, 2014, Vol. 55, No. 1, pp. 57–81 - http://hdl.handle.net/1814/33681
Retrieved from Cadmus, EUI Research Repository
We study the value of public information in competitive economies with incomplete markets. We show that generically the welfare effect of a change in the information available prior to trading can be in any direction : There exist changes in information that make all agents better off and changes for which all agents are worse off. In contrast, for any change in information, a Pareto improvement is feasible, that is, attainable by a planner facing the same informational and asset market constraints as agents. In this sense, the response of competitive markets to changes in information is typically not socially optimal.
Cadmus permanent link: http://hdl.handle.net/1814/33681
Full-text via DOI: 10.1111/iere.12041
ISSN: 0020-6598; 1468-2354
Initial version: http://hdl.handle.net/1814/14440
Version: Published version of EUI ECO WP 2010/34
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