Risky investment projects make the coordination among small, uninformed investors hard to achieve, and generate inefficient low levels of investment. Several authors have pointed out the benefits to an economy from multiple avenues of financial intermediation. This paper explains endogenously...

Optimal growth models aim at explaining long run trends of growth under the strong assumption of full efficiency in the allocation of resources. As a result, the steady state time paths of the main economic aggregates reflect constant, exogenous or endogenous, growth. To introduce business...