Stalled progress on explaining institutional change is, in part, the result of two conceptual challenges that hinder effective theory building: concept stretching and concept proliferation. These problems affect a hallmark concept of institutional change, path dependence, whose usefulness has...

This discussion paper resulted in a publication in <I>Structural Change and Economic Dynamics</I>, 2013, 24, 141-156.<P> We address the notion of dynamic, endogenous diversity and its role in theories of investment and technological innovation. We develop a formal model of an innovation arising from the...</p></i>

This paper investigates the dimension requirements of informationally decentralized Pareto-satisfactory processes in production economies with increasing returns to scale or more general types of non-convexities. We show that the marginal cost pricing (MCP) mechanism is informationally effcient...

Immediately after World War II the allied powers began what would be a slow march towards a worldwide economic and political order. They established an organization for political and military crises (the United Nations), economic rehabilitation (the International Monetary Fund), facilitation of...

In an economy with a non-convex production sector, we provide an assumption on each individual producer, which implies that the survival assumption holds true at the aggregate level for general pricing rules. For the marginal pricing rule, we derive this assumption from the bounded marginal...

Paul KRUGMAN, professor of economics at Princeton University, is well-known for his models of increasing returns in the world trade theory and their use in economic geography. His aim is to explain the reasons for the localization of activities and the concentration of firms. The purpose of this...