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How (not) to Choose Peers in Studying Groups

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Author Info
Thomas Gall (University of Bonn)
Roland Amann (University of Konstanz)

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Abstract

This paper analyzes social group formation when agents are subject to peer effects within groups increasing human capital and instantaneous utility. When agents are heterogeneous on two dimensions, ability and social skills, and monetary payments are not feasible the model predicts segregation at the top and at the bottom of the attribute space and bunching for heterogeneous intermediate types. Groups may be heterogeneous in taste types and more heterogeneous types are more likely to participate. The equilibrium allocation does not induce cost-efficient human capital accumulation. Introducing ability tracking may produce beneficial results despite decreasing differences in human capital production.

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Publisher Info
Paper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2006.79.

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Date of creation: May 2006
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Handle: RePEc:fem:femwpa:2006.79

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Related research
Keywords: Education; Peer-effects; Matching; Group Formation;

Find related papers by JEL classification:
I21 - Health, Education, and Welfare - - Education - - - Analysis of Education
C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies

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  1. Conley, John P. & Wooders, Myrna H., 2001. "Tiebout Economies with Differential Genetic Types and Endogenously Chosen Crowding Characteristics," Journal of Economic Theory, Elsevier, vol. 98(2), pages 261-294, June. [Downloadable!] (restricted)
  2. Kaneko, Mamoru & Wooders, Myrna Holtz, 1986. "The core of a game with a continuum of players and finite coalitions: The model and some results," Mathematical Social Sciences, Elsevier, vol. 12(2), pages 105-137, October. [Downloadable!] (restricted)
  3. Bruce Sacerdote, 2001. "Peer Effects With Random Assignment: Results For Dartmouth Roommates," The Quarterly Journal of Economics, MIT Press, vol. 116(2), pages 681-704, May. [Downloadable!] (restricted)
  4. Eric A. Hanushek & John F. Kain & Jacob M. Markman & Steven G. Rivkin, 2001. "Does Peer Ability Affect Student Achievement?," NBER Working Papers 8502, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  5. Epple, Dennis & Newlon, Elizabeth & Romano, Richard, 2002. "Ability tracking, school competition, and the distribution of educational benefits," Journal of Public Economics, Elsevier, vol. 83(1), pages 1-48, January. [Downloadable!] (restricted)
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  6. Shubik, Martin & Wooders, Myrna Holtz, 1983. "Approximate cores of replica games and economies : Part II: Set-up costs and firm formation in coalition production economies," Mathematical Social Sciences, Elsevier, vol. 6(3), pages 285-306, December. [Downloadable!] (restricted)
  7. Donald Robertson & James Symons, 2003. "Do Peer Groups Matter? Peer Group versus Schooling Effects on Academic Attainment," Economica, London School of Economics and Political Science, vol. 70(277), pages 31-53, February.
  8. Kaneko, Mamoru & Wooders, Myrna Holtz, 1996. "The Nonemptiness of the f-Core of a Game without Side Payments," International Journal of Game Theory, Springer, vol. 25(2), pages 245-58.
  9. Becker, Gary S, 1973. "A Theory of Marriage: Part I," Journal of Political Economy, University of Chicago Press, vol. 81(4), pages 813-46, July-Aug.. [Downloadable!] (restricted)
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  10. David J. Zimmerman, 2003. "Peer Effects in Academic Outcomes: Evidence from a Natural Experiment," The Review of Economics and Statistics, MIT Press, vol. 85(1), pages 9-23, November. [Downloadable!] (restricted)
  11. Schneeweis, Nicole & Winter-Ebmer, Rudolf, 2005. "Peer Effects in Austrian Schools," CEPR Discussion Papers 5018, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  12. Epple, Dennis & Romano, Richard E, 1998. "Competition between Private and Public Schools, Vouchers, and Peer-Group Effects," American Economic Review, American Economic Association, vol. 88(1), pages 33-62, March. [Downloadable!] (restricted)
  13. McEwan, Patrick J., 2003. "Peer effects on student achievement: evidence from Chile," Economics of Education Review, Elsevier, vol. 22(2), pages 131-141, April. [Downloadable!] (restricted)
  14. Caroline M. Hoxby, 2000. "The Effects Of Class Size On Student Achievement: New Evidence From Population Variation," The Quarterly Journal of Economics, MIT Press, vol. 115(4), pages 1239-1285, November. [Downloadable!] (restricted)
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