Optimizing Information in the Herd: Guinea Pigs, Profits, and Welfare
Herding arises when an agent's private informationis swamped by public information in what Jackson and Kalai (1997) call a recurring game. The agent will fail to reveal his own information and will follow the actions of his predecessor and, as a result, useful information is lost, which might have highlighted a better choice for later decision-makers. This paper evaluates the strategy of forcing a sub-set of agents to make their decision early from the perspective of a social planner, and a firm with a valuable or valueless procuct. Promotional activity by firms can be explained as an attemps to overcome the herd externality and maximize sales.
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- Jackson, Matthew O. & Kalai, Ehud, 1997.
"Social Learning in Recurring Games,"
Games and Economic Behavior,
Elsevier, vol. 21(1-2), pages 102-134, October.
- Banerjee, Abhijit V, 1992. "A Simple Model of Herd Behavior," The Quarterly Journal of Economics, MIT Press, vol. 107(3), pages 797-817, August.
- Sushil Bikhchandani & David Hirshleifer & Ivo Welch, 2010.
"A theory of Fads, Fashion, Custom and cultural change as informational Cascades,"
Levine's Working Paper Archive
1193, David K. Levine.
- Bikhchandani, Sushil & Hirshleifer, David & Welch, Ivo, 1992. "A Theory of Fads, Fashion, Custom, and Cultural Change in Informational Cascades," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 992-1026, October.
- Meyer, Margaret A, 1991. "Learning from Coarse Information: Biased Contests and Career Profiles," Review of Economic Studies, Wiley Blackwell, vol. 58(1), pages 15-41, January.
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