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Unravelling in Two-Sided Matching Markets and Similarity of Preferences

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  • Hanna W. Halaburda

    ()
    (Harvard Business School, Strategy Unit)

Abstract

This paper investigates the causes and welfare consequences of unravelling in two-sided matching markets. It shows that similarity of preferences is an important factor driving unravelling. In particular, it shows that under the ex-post stable mechanism (the mechanism that the literature focuses on), unravelling is more likely to occur when participants have more similar preferences. It also shows that any Pareto-optimal mechanism must prevent unravelling, and that the ex-post stable mechanism is Pareto-optimal if and only if it prevents unravelling.

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File URL: http://www.hbs.edu/research/pdf/09-068.pdf
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Bibliographic Info

Paper provided by Harvard Business School in its series Harvard Business School Working Papers with number 09-068.

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Length: 39 pages
Date of creation: Nov 2008
Date of revision:
Handle: RePEc:hbs:wpaper:09-068

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Keywords: two-sided matching; unravelling; similarity of preferences;

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References

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  1. Jeremy Bulow & Jonathan Levin, 2006. "Matching and Price Competition," American Economic Review, American Economic Association, vol. 96(3), pages 652-668, June.
  2. Alvin E Roth & Richard A Posner & Christine Jolls & Christopher Avery, 2007. "The New Market for Federal Judicial Law Clerks," Levine's Bibliography 843644000000000288, UCLA Department of Economics.
  3. Roth,Alvin E. & Sotomayor,Marilda A. Oliveira, 1992. "Two-Sided Matching," Cambridge Books, Cambridge University Press, number 9780521437882, April.
  4. Roth, Alvin E & Xing, Xiaolin, 1997. "Turnaround Time and Bottlenecks in Market Clearing: Decentralized Matching in the Market for Clinical Psychologists," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 284-329, April.
  5. Muriel Niederle & Alvin E Roth, 2003. "Unraveling Reduces Mobility in a Labor Market: Gastroenterology with and without a Centralized Match," Levine's Working Paper Archive 506439000000000428, David K. Levine.
  6. Roth, Alvin E, 1984. "The Evolution of the Labor Market for Medical Interns and Residents: A Case Study in Game Theory," Journal of Political Economy, University of Chicago Press, vol. 92(6), pages 991-1016, December.
  7. Ettore Damiano & Hao Li, 2004. "Unraveling of Dynamic Sorting," Econometric Society 2004 Latin American Meetings 72, Econometric Society.
  8. Muriel Niederle & Alvin E. Roth, 2004. "Market Culture: How Norms Governing Exploding Offers Affect Market Performance," Levine's Bibliography 122247000000000018, UCLA Department of Economics.
  9. Alvin E. Roth & Uriel G. Rothblum, 1999. "Truncation Strategies in Matching Markets--In Search of Advice for Participants," Econometrica, Econometric Society, vol. 67(1), pages 21-44, January.
  10. Mongell, Susan & Roth, Alvin E, 1991. "Sorority Rush as a Two-Sided Matching Mechanism," American Economic Review, American Economic Association, vol. 81(3), pages 441-64, June.
  11. Roth, Alvin E, 1991. "A Natural Experiment in the Organization of Entry-Level Labor Markets: Regional Markets for New Physicians and Surgeons in the United Kingdom," American Economic Review, American Economic Association, vol. 81(3), pages 415-40, June.
  12. Ernan Haruvy & Alvin E. Roth & M. Utku Unver, 2004. "The Dynamics of Law Clerk Matching: An Experimental and Computational Investigation of Proposals for Reform of the Market," Experimental 0404001, EconWPA.
  13. Roth, Alvin E & Xing, Xiaolin, 1994. "Jumping the Gun: Imperfections and Institutions Related to the Timing of Market Transactions," American Economic Review, American Economic Association, vol. 84(4), pages 992-1044, September.
  14. C. Nicholas McKinney & Muriel Niederle & Alvin E. Roth, 2003. "The collapse of a medical clearinghouse (and why such failures are rare)," NBER Working Papers 9467, National Bureau of Economic Research, Inc.
  15. Li, Hao & Rosen, Sherwin, 1998. "Unraveling in Matching Markets," American Economic Review, American Economic Association, vol. 88(3), pages 371-87, June.
  16. Posner, Richard A. & Avery, Christopher & Jolls, Christine & Roth, Alvin, 2001. "The Market for Federal Judicial Law Clerks," Scholarly Articles 2623748, Harvard University Department of Economics.
  17. Hao Li & Wing Suen, 2000. "Risk Sharing, Sorting, and Early Contracting," Journal of Political Economy, University of Chicago Press, vol. 108(5), pages 1058-1087, October.
  18. McKinney, C. Nicholas & Niederle, Muriel & Roth, Alvin, 2005. "The collapse of a medical labor clearinghouse (and why such failures are rare)," Scholarly Articles 2570404, Harvard University Department of Economics.
  19. Ehlers, Lars & Masso, Jordi, 2007. "Incomplete information and singleton cores in matching markets," Journal of Economic Theory, Elsevier, vol. 136(1), pages 587-600, September.
  20. Ettore Damiano & Hao Li & Wing Suen, 2005. "Unravelling of Dynamic Sorting," Review of Economic Studies, Oxford University Press, vol. 72(4), pages 1057-1076.
  21. John H. Kagel & Alvin E. Roth, 2000. "The Dynamics Of Reorganization In Matching Markets: A Laboratory Experiment Motivated By A Natural Experiment," The Quarterly Journal of Economics, MIT Press, vol. 115(1), pages 201-235, February.
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Cited by:
  1. Muriel Niederle & Alvin E. Roth & M. Utku Ünver, 2008. "Unraveling Results from Comparable Demand and Supply: An Experimental Investigation," Boston College Working Papers in Economics 718, Boston College Department of Economics.
  2. Fainmesser, Itay P., 2013. "Social networks and unraveling in labor markets," Journal of Economic Theory, Elsevier, vol. 148(1), pages 64-103.
  3. Mustafa Afacan, 2013. "The welfare effects of pre-arrangements in matching markets," Economic Theory, Springer, vol. 53(1), pages 139-151, May.
  4. Boudreau, James W. & Knoblauch, Vicki, 2014. "What price stability? Social welfare in matching markets," Mathematical Social Sciences, Elsevier, vol. 67(C), pages 27-33.
  5. Alvin E. Roth, 2010. "Marketplace Institutions Related to the Timing of Transactions," NBER Working Papers 16556, National Bureau of Economic Research, Inc.
  6. Muriel Niederle & Alvin E. Roth, 2007. "The Effects of a Centralized Clearinghouse on Job Placement, Wages, and Hiring Practices," NBER Working Papers 13529, National Bureau of Economic Research, Inc.
  7. Bolle, Friedel & Breitmoser, Yves & Otto, Philipp E., 2011. "A positive theory of cooperative games: The logit core and its variants," MPRA Paper 32918, University Library of Munich, Germany.
  8. James Boudreau & Vicki Knoblauch, 2013. "Preferences and the price of stability in matching markets," Theory and Decision, Springer, vol. 74(4), pages 565-589, April.

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