She writes about the creation and decline of New Deal liberalism, the rise of conservative politics in the post–World War II United States, the politics of business, and social and political movements that address economic issues and ideas. She is the author of Invisible Hands: The Businessmen's Crusade Against the New Deal (2009). With Julian Zelizer, she is a coeditor of What's Good for Business: Business and American Politics Since World War II (2012). She has written for a wide range of scholarly and popular publications, including the Journal of American History, Labor: Studies in the Working-Class History of the Americas, The Nation, and the New York Times. Currently, she is working on a history of New York City in the 1970s, centered on the city's fiscal crisis.