The shrimp production-consumption system is governed by a diverse and dynamic array of actors each drawing on institutions at various levels, from local through national to international. But, for the most part, the politics of consumption (plates), chains, and places are disconnected. Instead,...

Motorization is a self-reinforcing process, which involves positive feedback. Using a simple model of bi-modal transportation system, it is shown that a transportation system may eventually be dominated by the automobile, or may equilibrate at a grossly inefficient point due to social dilemmas...