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Review of Economic Studies

Peer Effects and Social Networks in Education

Tidskriftsartikel
Referens
Calvó-Armengol, Antoni, Eleonora Patacchini och Yves Zenou (2009). ”Peer Effects and Social Networks in Education”. Review of Economic Studies 76(4), 1239–1267. doi.org/10.1111/j.1467-937X.2009.00550.x

Författare
Antoni Calvó-Armengol, Eleonora Patacchini, Yves Zenou

We develop a model that shows that, at the Nash equilibrium, the outcome of each individual embedded in a network is proportional to his/her Katz–Bonacich centrality measure. This measure takes into account both direct and indirect friends of each individual, but puts less weight to his/her distant friends. We then bring the model to the data using a very detailed dataset of adolescent friendship networks. We show that, after controlling for observable individual characteristics and unobservable network specific factors, a standard deviation increase in the Katz–Bonacich centrality increases the pupil school performance by more than 7% of one standard deviation.