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Author Info
Ettore Damiano
Hao Li
Wing Suen

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Abstract

This paper considers a model of a rating agency with multiple clients. ach client has a separate market (end-user of the rating); the only connection among them is that the underlying qualities of the clients are correlated. In the benchmark case of individual rating, the market for each client does not know the ratings for other clients. In centralized rating, the agency rates all clients together and shares the rating information among all markets. In decentralized rating, the ratings are again shared among all markets, but each client is rated by a self-interested rater of the agency with no access to the quality information of other clients. Both centralized rating and decentralized rating weakly dominate individual rating for the agency. When the underlying qualities are weakly correlated, centralized rating can dominate decentralized rating, but the reverse holds when the qualities are strongly correlated.

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File URL: http://www.economics.utoronto.ca/haoli/research/Hongbin.pdf
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Paper provided by University of Toronto, Department of Economics in its series Working Papers with number tecipa-219.

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Length: 40 pages
Date of creation: 11 Jan 2006
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Handle: RePEc:tor:tecipa:tecipa-219

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  1. Matthew Gentzkow & Jesse M. Shapiro, 2006. "Media Bias and Reputation," Journal of Political Economy, University of Chicago Press, vol. 114(2), pages 280-316, April. [Downloadable!] (restricted)
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  2. Milgrom, Paul & Roberts, John, 1994. "Comparing Equilibria," American Economic Review, American Economic Association, vol. 84(3), pages 441-59, June. [Downloadable!] (restricted)
  3. Stephen Morris, 2001. "Political Correctness," Journal of Political Economy, University of Chicago Press, vol. 109(2), pages 231-265, April. [Downloadable!] (restricted)
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  4. Morgan, John & Stocken, Phillip C, 2003. " An Analysis of Stock Recommendations," RAND Journal of Economics, The RAND Corporation, vol. 34(1), pages 183-203, Spring.
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  5. Karlin, Samuel & Rinott, Yosef, 1980. "Classes of orderings of measures and related correlation inequalities. I. Multivariate totally positive distributions," Journal of Multivariate Analysis, Elsevier, vol. 10(4), pages 467-498, December. [Downloadable!] (restricted)
  6. Milgrom, Paul R & Weber, Robert J, 1982. "A Theory of Auctions and Competitive Bidding," Econometrica, Econometric Society, vol. 50(5), pages 1089-1122, September. [Downloadable!] (restricted)
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  7. William Chan & Hao Li & Wing Suen, 2005. "A Signaling Theory of Grade Inflation," Working Papers tecipa-222, University of Toronto, Department of Economics. [Downloadable!]
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  8. Engers, Maxim, 1987. "Signalling with Many Signals," Econometrica, Econometric Society, vol. 55(3), pages 663-74, May. [Downloadable!] (restricted)
  9. Banks, Jeffrey S & Sobel, Joel, 1987. "Equilibrium Selection in Signaling Games," Econometrica, Econometric Society, vol. 55(3), pages 647-61, May. [Downloadable!] (restricted)
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  10. Mark N. Hertzendorf & Per Baltzer Overgaard, 2001. "Price Competition and Advertising Signals: Signaling by Competing Senders," Journal of Economics & Management Strategy, Blackwell Publishing, vol. 10(4), pages 621-662, December. [Downloadable!] (restricted)
  11. Sobel, Joel, 1985. "A Theory of Credibility," Review of Economic Studies, Blackwell Publishing, vol. 52(4), pages 557-73, October. [Downloadable!] (restricted)
  12. Quinzii, Martine & Rochet, Jean-Charles, 1985. "Multidimensional signalling," Journal of Mathematical Economics, Elsevier, vol. 14(3), pages 261-284, June. [Downloadable!] (restricted)
  13. Kyle Bagwell & Garey Ramey, 1991. "Oligopoly Limit Pricing," RAND Journal of Economics, The RAND Corporation, vol. 22(2), pages 155-172, Summer. [Downloadable!] (restricted)
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  14. Crawford, Vincent P & Sobel, Joel, 1982. "Strategic Information Transmission," Econometrica, Econometric Society, vol. 50(6), pages 1431-51, November. [Downloadable!] (restricted)
  15. Archishman Chakraborty & Rick Harbaugh, 2004. "Comparative Cheap Talk," Working Papers 2004-08, Indiana University, Kelley School of Business, Department of Business Economics and Public Policy. [Downloadable!]
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(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Vasiliki Skreta & Laura Veldkamp, 2008. "Ratings Shopping and Asset Complexity: A Theory of Ratings Inflation," Working Papers 08-28, New York University, Leonard N. Stern School of Business, Department of Economics. [Downloadable!]
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  2. Efraim Benmelech & Jennifer Dlugosz, 2009. "The Credit Rating Crisis," NBER Working Papers 15045, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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