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How social ties affect peer-group effects: a case of university students

  • Oleg Poldin

    (National Research University Higher School of Economics (HSE), 25/12 Bolshaja Pecherskaja Ulitsa, Nizhny Novgorod 603155, Russia)

  • Dilyara Valeeva

    (Center for Institutional Studies, HSE.)

  • Maria Yudkevich

    ()

    (Center for Institutional Studies, HSE, Russia, 101000 Moscow, Myasnitskaya street, 20.)

Among the key issues of peer effects estimation is the correct identification of relevant peers. In this study, we explore how the individual performance of university students is influenced by characteristics and achievements of peers from individual’s social network. The analysis uses data from two directed networks: a network of friends and a network of study partners for thirdyear students at a top-tier Russian university. Data on network ties in randomly formed student groups enables us to address the endogeneity problem and disentangle the influence of peers’ performance from the effect that a peer’s background has on students. We show that both the GPA of peers and their ability measures are significant in the estimated regression model. A onepoint increase in the average GPA of peers is associated with an increase in an individual student’s own GPA of approximately one fourth. The regression on the data from the network of study partners has slightly greater explanatory power than the analys is based on data from the network of friends. No effect from a student’s classmates is found in the model that assumes group interactions occur between group mates

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Paper provided by National Research University Higher School of Economics in its series HSE Working papers with number WP BRP 15/SOC/2013.

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Length: 22 pages
Date of creation: 2013
Date of revision:
Publication status: Published in WP BRP Series: Sociology / SOC, February 2013, pages 1-22
Handle: RePEc:hig:wpaper:15/soc/2013
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  1. Giacomo De Giorgi & Michele Pellizzari & Silvia Redaelli, 2010. "Identification of Social Interactions through Partially Overlapping Peer Groups," American Economic Journal: Applied Economics, American Economic Association, vol. 2(2), pages 241-75, April.
  2. Peter Arcidiacono & Gigi Foster & Natalie Goodpaster & Josh Kinsler, 2012. "Estimating spillovers using panel data, with an application to the classroom," Quantitative Economics, Econometric Society, vol. 3(3), pages 421-470, November.
  3. Bramoullé, Yann & Djebbari, Habiba & Fortin, Bernard, 2007. "Identification of Peer Effects through Social Networks," IZA Discussion Papers 2652, Institute for the Study of Labor (IZA).
  4. 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, February.
  5. Mayer, Adalbert & Puller, Steven L., 2008. "The old boy (and girl) network: Social network formation on university campuses," Journal of Public Economics, Elsevier, vol. 92(1-2), pages 329-347, February.
  6. Victor Lavy & Edith Sand, 2012. "The Friends Factor: How Students' Social Networks Affect Their Academic Achievement and Well-Being?," NBER Working Papers 18430, National Bureau of Economic Research, Inc.
  7. Scott E. Carrell & Richard L. Fullerton & James E. West, 2009. "Does Your Cohort Matter? Measuring Peer Effects in College Achievement," Journal of Labor Economics, University of Chicago Press, vol. 27(3), pages 439-464, 07.
  8. Giorgio Brunello & Maria De Paola & Vincenzo Scoppa, 2009. "Peer Effects in Higher Education: Does the Field of Study Matter?," "Marco Fanno" Working Papers 0092, Dipartimento di Scienze Economiche "Marco Fanno".
  9. Antoni Calvo-Armengol & Eleonora Patacchini & Yves Zenou, 2008. "Peer Effects and Social Networks in Education," CReAM Discussion Paper Series 0814, Centre for Research and Analysis of Migration (CReAM), Department of Economics, University College London.
  10. Androushchak, Gregory & Poldin, Oleg & Yudkevich, Maria, 2012. "Peer effects in exogenously formed student groups," Applied Econometrics, Publishing House "SINERGIA PRESS", vol. 26(2), pages 3-16.
  11. Xu Lin, 2010. "Identifying Peer Effects in Student Academic Achievement by Spatial Autoregressive Models with Group Unobservables," Journal of Labor Economics, University of Chicago Press, vol. 28(4), pages 825-860, October.
  12. David S. Lyle, 2009. "The Effects of Peer Group Heterogeneity on the Production of Human Capital at West Point," American Economic Journal: Applied Economics, American Economic Association, vol. 1(4), pages 69-84, October.
  13. Gregory Androushchak & Oleg Poldin & Maria Yudkevich, 2012. "Peer Effects in Exogenously Formed University Student Groups," HSE Working papers WP BRP 03/EDU/2012, National Research University Higher School of Economics.
  14. Bruce Sacerdote, 2000. "Peer Effects with Random Assignment: Results for Dartmouth Roommates," NBER Working Papers 7469, National Bureau of Economic Research, Inc.
  15. David S. Lyle, 2007. "Estimating and Interpreting Peer and Role Model Effects from Randomly Assigned Social Groups at West Point," The Review of Economics and Statistics, MIT Press, vol. 89(2), pages 289-299, May.
  16. J. Barkley Rosser, 2009. "Introduction," Chapters, in: Handbook of Research on Complexity, chapter 1 Edward Elgar.
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