How to sustain cooperation is a key challenge for any society. Different social organizations have evolved in the course of history to cope with this challenge by relying on different combinations of external (formal and informal) enforcement institutions and intrinsic motivation. Some societies...

Over the last millennium, the clan and the city have been the locus of cooperation in China and Europe respectively. This paper examines - analytically, historically, and empirically - the cultural, social, and institutional co-evolution that led to this bifurcation. We highlight that groups...

We analyse the interplay of policy reform and entrepreneurship in a model where investment decisions and policy outcomes are both subject to uncertainty. The production costs of non-traditional activities are unknown and can only be discovered by entrepreneurs who make sunk investments. The...