When the equilibrium of the economy depends on the coordinationof actions of a large number of agents the level of optimism can be-come a deciding factor. We propose an equilibrium selection processwhere the level of optimism is endogenously determined...

All-weather rural roads usually improve not only villagers' terms of trade, but also their educational attainments and health. Obtaining empirical estimates of the benefits generated by the first is straightforward, not so those generated by the others. The object of this paper is to estimate...