Her research concerns U.S. political economy in the late 19th and early 20th centuries, with a particular focus on competition law and policy and its administration. She is the author of the recently released American Fair Trade: Proprietary Capitalism, Corporatism, and the "New Competition," 1880-1940 (Cambridge University Press). Other research has appeared in the Business History Review, the Journal of the Gilded Age and Progressive Era, and Capital Gains (eds. Kim Phillips-Fein and Richard John).
According to her HBS bio, Professor Sawyer is currently working on two historiographical essays, "one on 20th century American business culture and another on American Antitrust Policy"; "completing an essay on the role of state corporation law in early competition policy"; and beginning "an article-length study of transatlantic competition policy during the interwar era." She was also recently elected to serve as a trustee of the Business History Conference.