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Ratings, certifications and grades: dynamic signaling and market breakdown

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  • Andrzej Skrzypacz

Abstract

We consider the effect a public revelation of information (e.g. rating, grade) has on signaling and trading in a dynamic model. Competing buyers offer prices to a privately informed seller who can reject these offers and delay trade. This delay is costly and the seller has no commitment to the duration of the delay. We show how the external public information allows for signaling in equilibrium. More interestingly, we characterize the dynamics of trade and prices. If the signal is not fully revealing, then there is no trade just before the revelation of external information. A lemons market develops endogenously over time and prevents any trade close to the release of the public announcement. On the other hand, if the external signal is fully revealing, then trade occurs even close to the final period; however, in this case there is a discontinuity in prices.
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Suggested Citation

  • Andrzej Skrzypacz, 2004. "Ratings, certifications and grades: dynamic signaling and market breakdown," Theory workshop papers 121473000000000010, UCLA Department of Economics.
  • Handle: RePEc:cla:uclatw:121473000000000010
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    1. Korajczyk, Robert A. & Lucas, Deborah J. & McDonald, Robert L., 1992. "Equity Issues with Time-Varying Asymmetric Information," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 27(03), pages 397-417, September.
    2. Georg Noldeke & Eric van Damme, 1990. "Signalling in a Dynamic Labour Market," Review of Economic Studies, Oxford University Press, vol. 57(1), pages 1-23.
    3. Nick Feltovich & Richmond Harbaugh & Ted To, 2002. "Too Cool for School? Signalling and Countersignalling," RAND Journal of Economics, The RAND Corporation, vol. 33(4), pages 630-649, Winter.
    4. Korajczyk, Robert A & Lucas, Deborah J & McDonald, Robert L, 1991. "The Effect of Information Releases on the Pricing and Timing of Equity Issues," Review of Financial Studies, Society for Financial Studies, vol. 4(4), pages 685-708.
    5. Jeroen M. Swinkels, 1999. "Education Signalling with Preemptive Offers," Review of Economic Studies, Oxford University Press, vol. 66(4), pages 949-970.
    6. Weiss, Andrew, 1983. "A Sorting-cum-Learning Model of Education," Journal of Political Economy, University of Chicago Press, vol. 91(3), pages 420-442, June.
    7. Anat R. Admati & Motty Perry, 1987. "Strategic Delay in Bargaining," Review of Economic Studies, Oxford University Press, vol. 54(3), pages 345-364.
    8. Kohlberg, Elon & Mertens, Jean-Francois, 1986. "On the Strategic Stability of Equilibria," Econometrica, Econometric Society, vol. 54(5), pages 1003-1037, September.
    9. Teoh, Siew Hong & Hwang, Chuan Yang, 1991. "Nondisclosure and Adverse Disclosure as Signals of Firm Value," Review of Financial Studies, Society for Financial Studies, vol. 4(2), pages 283-313.
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    JEL classification:

    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games

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