Social and Behavioral Sciences Commons^™

Collective Choice, Justin Schwartz

Justin Schwartz

This short nontechnical article reviews the Arrow Impossibility Theorem and its implications for rational democratic decisionmaking. In the 1950s, economist Kenneth J. Arrow proved that no method for producing a unique social choice involving at least three choices and three actors could satisfy four seemingly obvious constraints that are practically constitutive of democratic decisionmaking. Any such method must violate such a constraint and risks leading to disturbingly irrational results such and Condorcet cycling. I explain the theorem in plain, nonmathematical language, and discuss the history, range, and prospects of avoiding what seems like a fundamental theoretical challenge to the possibility …

Coase, Institutionalism, And The Origins Of Law And Economics, Herbert J. Hovenkamp

All Faculty Scholarship

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 preference or value, but accepted preference as given. It treated the business firm in the same way, focusing on how firms make market choices, but saying little about their internal workings.

“Institutionalism” historically refers to a group of economists who wrote mainly in the 1920s and 1930s. Their place in economic theory is outside the mainstream, but they have found new …