The Economics of Discrimination (1957) was Gary Becker's first published work using microeconomic tools to investigate supposedly noneconomic phenomena. 1 Although the significance of the book is now widely acknowledged, there are still confusions and misconceptions regarding the nature of Becker's contribution to the social scientific literature on race relations in the 1950s and its reception and impact in the 1960s. For instance, the role of the book in the history of the relationship between economics and the other social sciences is unclear. Most accounts acknowledge that before Becker's essay, discrimination was understood to be outside the boundaries of economics (see, for instance, Chiswick 1995 and