Ronald Coase merged two traditions in economics, marginalism and institutionalism. Neoclassical economics in the 1930s was characterized by an abstract conception of marginalism and frictionless resource movement. Marginal analysis did not seek to uncover the source of individual human...

Institutionalism propounds a particular set of theoretical assumptions about the role of law in economic growth. In unpacking the development of those assumptions, this Essay adopts a model of intellectual history based on the Kuhnian argument that scientific knowledge evolves through key...

Coase’s work emphasized the economic importance of very small markets and made a new, more marginalist form of economic “institutionalism” acceptable within mainstream economics. A Coasean market is an association of persons with competing claims on a legal entitlement that can be traded....