Competition in Persuasion
AbstractDoes competition among persuaders increase the extent of information revealed? We study ex ante symmetric information games where a number of senders choose what information to gather and communicate to a receiver, who takes a non-contractible action that affects the welfare of all players. We characterize the information revealed in pure-strategy equilibria. We consider three ways of increasing competition among senders: (i) moving from collusive to non-cooperative play, (ii) introducing additional senders, and (iii) decreasing the alignment of senders' preferences. For each of these notions, we establish that increasing competition cannot decrease the amount of information revealed, and will in a certain sense tend to increase it.
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Date of creation: Sep 2011
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Find related papers by JEL classification:
- D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search, Learning, and Information
- L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality
- M37 - Business Administration and Business Economics; Marketing; Accounting - - Marketing and Advertising - - - Advertising
This paper has been announced in the following NEP Reports:
- NEP-ALL-2011-09-22 (All new papers)
- NEP-BEC-2011-09-22 (Business Economics)
- NEP-CTA-2011-09-22 (Contract Theory & Applications)
- NEP-MIC-2011-09-22 (Microeconomics)
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