In 1995, Robert E. Lucas was awarded the Nobel Memorial Prize for Economic Science. This review places Lucas's work in a historical context and evaluates the effect of this work on the economics profession. Lucas's central contribution is that he developed and applied economic theory to answer...

Half a century ago, <em>Economica</em> published what its webpage claims is "the most heavily cited macroeconomics title of the 20th century"—the paper by A. W. H. "Bill" Phillips (1958) that introduced the Phillips curve. Based on admittedly circumstantial evidence, I will argue that Bill Phillips was...

The concept of "labor hoarding," at least in its modern form, was first fully articulated in the early 1960s by Arthur Okun (1963). By the end of the 20th century, the concept of "labor hoarding" had become an accepted part of economists' explanations of the workings of labor markets and of the...

The spreading use of indexes in the nineteenth century raised basic questions concerning the nature of absolute value in a neoclassical world of relative exchange values. Where Walsh held that the 'right' index for the general exchange value of money would identify true values, Jevons, Marshall,...

In 1969, Harry Johnson charged that Milton Friedman 'invented' a Chicago oral quantity theory tradition, the idea being that in order to launch a monetarist counter-revolution, Friedman needed to establish a linkage with pre-Keynesian orthodoxy. This paper shows that there was a distinct...

The story of 20th century macroeconomics begins with Irving Fisher. In his books Appreciation and Interest (1896), The Rate of Interest (1907), and The Purchasing Power of Money (1911), Fisher fueled the intellectual fire that became known as monetarism. But what has happened to monetarism at...

The 2014 John Bates Clark Medal of the American Economic Association was awarded to Matthew Gentzkow of the University of Chicago Booth School of Business. The citation recognized Matt's "fundamental contributions to our understanding of the economic forces driving the creation of media...

John Maynard Keynes made a major contribution to the development of professional investment management. Based on detailed archival research at King's College, Cambridge, we describe Keynes' investment philosophy, his investment performance, and the evolution of his investment approach as the...

Jonathan Levin, the 2011 recipient of the American Economic Association's John Bates Clark Medal, has established himself as a leader in the fields of industrial organization and microeconomic theory. Jon has made important contributions in many areas: the economics of contracts and...

At the 1927 meetings of the American Economic Association, Paul Douglas presented a paper entitled "A Theory of Production," which he had coauthored with Charles Cobb. The paper proposed the now familiar Cobb-Douglas function as a mathematical representation of the relationship between capital,...