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Sand in the Wheels: A Dynamic Global-Game Approach

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  • Laurent Mathevet
  • Jakub Steiner

Abstract

We study the impact of frictions on the prevalence of systemic crises. Agents privately learn about a fixed payoff parameter, and repeatedly adjust their investments while facing transaction costs in a dynamic global game. The model has a rich structure of externalities: payoffs may depend on the volume of aggregate investment, on the concentration of investment, or on its volatility. We examine how small frictions, including those similar to the Tobin tax, affect the equilibrium. We identify conditions under which frictions discourage harmful behavior without compromising investment volume. The analysis is driven by a robust invariance result: the volume of aggregate investment (measured in a pivotal contingency) is invariant to a large family of frictions.

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Bibliographic Info

Paper provided by The Center for Economic Research and Graduate Education - Economic Institute, Prague in its series CERGE-EI Working Papers with number wp459.

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Date of creation: Apr 2012
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Handle: RePEc:cer:papers:wp459

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Keywords: coordination; dynamic global game; frictions; Tobin tax;

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  1. Carlsson, H. & Van Damme, E., 1990. "Global Games And Equilibrium Selection," Papers 9052, Tilburg - Center for Economic Research.
  2. Jakub Steiner, 2006. "Coordination in a Mobile World," CERGE-EI Working Papers wp295, The Center for Economic Research and Graduate Education - Economic Institute, Prague.
  3. Frankel, David M. & Morris, Stephen & Pauzner, Ady, 2003. "Equilibrium Selection in Global Games with Strategic Complementarities," Staff General Research Papers 11920, Iowa State University, Department of Economics.
  4. George-Marios Angeletos & Alessandro Pavan, 2007. "Dynamic Global Games of Regime Change: Learning, Multiplicity and Timing of Attacks," Discussion Papers 1497, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  5. Xavier Vives, 2009. "Strategic complementarity in multi-stage games," Economic Theory, Springer, vol. 40(1), pages 151-171, July.
  6. Frankel, David M. & Burdzy, Krzysztof & Pauzner, Ady, 2001. "Fast Equilibrium Selection by Rational Players Living in a Changing World," Staff General Research Papers 11923, Iowa State University, Department of Economics.
  7. Echenique, Federico, 2004. "Extensive-form games and strategic complementarities," Games and Economic Behavior, Elsevier, vol. 46(2), pages 348-364, February.
  8. Itay Goldstein & Emre Ozdenoren & Kathy Yuan, 2011. "Learning and Complementarities in Speculative Attacks," Review of Economic Studies, Oxford University Press, vol. 78(1), pages 263-292.
  9. Wendy Carlin & Colin Mayer, 1999. "Finance, Investment and Growth," OFRC Working Papers Series 1999fe09, Oxford Financial Research Centre.
  10. Ivan Werning & George-Marios Angeletos, 2005. "Crises and Prices: Information Aggregation, Multiplicity and Volatility," 2005 Meeting Papers 284, Society for Economic Dynamics.
  11. Dasgupta, Amil, 2007. "Coordination and delay in global games," Journal of Economic Theory, Elsevier, vol. 134(1), pages 195-225, May.
  12. James Tobin, 1978. "A Proposal for International Monetary Reform," Cowles Foundation Discussion Papers 506, Cowles Foundation for Research in Economics, Yale University.
  13. Guimaraes, Bernardo & Morris, Stephen, 2007. "Risk and wealth in a model of self-fulfilling currency attacks," Journal of Monetary Economics, Elsevier, vol. 54(8), pages 2205-2230, November.
  14. Eugen Kovac & Jakub Steiner, 2008. "Reversibility in Dynamic Coordination Problems," CERGE-EI Working Papers wp374, The Center for Economic Research and Graduate Education - Economic Institute, Prague.
  15. Fudenberg, Drew & Levine, David K., 1988. "Open-loop and closed-loop equilibria in dynamic games with many players," Journal of Economic Theory, Elsevier, vol. 44(1), pages 1-18, February.
  16. George-Marios Angeletos & Christian Hellwig & Alessandro Pavan, 2007. "Dynamic Global Games of Regime Change: Learning, Multiplicity, and the Timing of Attacks," Econometrica, Econometric Society, vol. 75(3), pages 711-756, 05.
  17. Steiner, Jakub, 2008. "Coordination of mobile labor," Journal of Economic Theory, Elsevier, vol. 139(1), pages 25-46, March.
  18. Christophe Chamley, 2003. "Dynamic Speculative Attacks," American Economic Review, American Economic Association, vol. 93(3), pages 603-621, June.
  19. Sylvain Chassang, 2010. "Fear of Miscoordination and the Robustness of Cooperation in Dynamic Global Games With Exit," Econometrica, Econometric Society, vol. 78(3), pages 973-1006, 05.
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Cited by:
  1. Eugen Kovac & Jakub Steiner, 2008. "Reversibility in Dynamic Coordination Problems," CERGE-EI Working Papers wp374, The Center for Economic Research and Graduate Education - Economic Institute, Prague.
  2. Hynek Lavicka & Tomas Lichard & Jan Novotny, 2014. "Sand in the Wheels or Wheels in the Sand? Tobin Taxes and Market Crashes," CERGE-EI Working Papers wp511, The Center for Economic Research and Graduate Education - Economic Institute, Prague.

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