Sawada, Yasuyuki; Kasahara, Ryuji; Aoyagi, Keitaro; … - In: Asian development review 30 (2013) 1, pp. 31-51
In a canonical model of collective action, individual contribution to collective action is negatively correlated with group size. Yet, empirical evidence on the group size effect has been mixed, partly due to heterogeneities in group activities. In this paper, we first construct a simple model...
