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Free-riding and knowledge spillovers in teams: The role of social ties

Maria De Paola (), Francesca Gioia () and Vincenzo Scoppa ()

Natural Field Experiments from The Field Experiments Website

Abstract: We investigate whether and how social ties affect performance in teams by implementing a field experiment in which a sample of undergraduate students are randomly assigned either to teams composed by friends or to teams composed by individuals not linked by friendship relationships. Students undertake an intermediate exam divided into two parts: one graded on the basis of individual performance and the other graded on the basis of team performance. We find that students assigned to socially connected teams perform significantly better than control students in both the team part and the individual part of the exam, suggesting that social ties are relevant both for solving free-riding problems and for inducing knowledge spillovers among teammates. The positive effect of friendship persists over time: treated students obtain better grades also after the conclusion of the experiment.

Date: 2018
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Related works:
Journal Article: Free-riding and knowledge spillovers in teams: The role of social ties (2019) Downloads
Working Paper: FREE-RIDING AND KNOWLEDGE SPILLOVERS IN TEAMS: THE ROLE OF SOCIAL TIES (2016) Downloads
Working Paper: Free-Riding and Knowledge Spillovers in Teams: The Role of Social Ties (2016) Downloads
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