Why do sudden and massive social, economic, and political changes occur when and where they do? Are there institutional preconditions that encourage such changes when present and discourage such changes when absent? In this paper, I employ a general model which suggests that massive equilibrium...

Unprecedented challenges to agriculture — including population growth, climate change, energy scarcity, natural resources degradation and market globalization — underscore the need to rethink policies and institutions for crop production intensification. Models used for intensification in...