NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Social Interactions, Mechanisms, and Equilibrium: Evidence from a Model of Study Time and Academic Achievement

Timothy Conley, Nirav Mehta, Ralph Stinebrickner, Todd Stinebrickner

NBER Working Paper No. 21418
Issued in July 2015, Revised in February 2018
NBER Program(s):Economics of Education

We develop and estimate a model of student study time on a social network. The model is designed to exploit unique data collected in the Berea Panel Study. Study time data allow us to quantify an intuitive mechanism for academic social interactions: own study time may depend on friend study time in a heterogeneous manner. Social network data allow us to embed study time and resulting academic achievement in an estimable equilibrium framework. We develop a specification test that exploits the equilibrium nature of social interactions and use it to show that novel study propensity measures mitigate econometric endogeneity concerns.

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Document Object Identifier (DOI): 10.3386/w21418

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