he economic concept of networks refers to the structure of agents` interaction as well as to the economic property of positive externalities. This book describes the economics of networks from various perspectives among which are¤ classical approaches, methods derived from physics, theory of...

We develop a dynamic model of intermediate goods trade in which the pattern and the extent of intermediate goods trade are endogenous. We consider a small open economy whose final good production employs an endogenous array of intermediate goods, from low technology (high cost) to high...

Authorities often lack information for efficient regulation of the commons. This paper derives a criterion comparing prices versus tradable quantities in terms of expected welfare, given uncertainty, optimal policy and endogenous cost structure. I show that one cannot determine which regulatory...