Political Scientist E.J. Fagan, an Assistant Professor of Political Science at the University of Illinois at Chicago, once worked at a think tank, and has long been interested in the intersecting work of think tanks and politics. Thus, The Thinkers: The Rise of Partisan Think Tanks and the Polarization of American Politics (Oxford UP, 2024) is an outgrowth of Fagan’s academic research and experience. Think tanks, by their very nature, are generally creating information, knowledge, policy ideas, and the like, with the intention of influencing the policy that is made by elected officials. Those who work at think tanks are generally experts in particular policy areas, and they produce information. Think tanks are not academic institutions, and they are not part of political parties either. They are private organizations that can have policy influence on parties, candidates, and policy development. In The Thinkers, Fagan pays close attention to four think tanks that he explains are the most partisan among the hundreds of think tanks: the Heritage Foundation, the American Enterprise Institute (AEI), the Center for American Progress, and the Center on Budget and Policy Priorities. There are many other think tanks, and Fagan explains that these four have had the most direct engagement in developing policy that is then taken up by elected officials (members of the U.S. House, the U.S. Senate, the president and White House advisors, as well as governors and state-level elected officials.)

The Thinkers: The Rise of Partisan Think Tanks and the Polarization of American Politics assesses the role of think tanks within partisan politics and the connections between these organizations and the policy outcomes we often see in presidential administrations and in Congress. The book also highlights a significant finding, that the rise of think tanks has contributed to the polarization within American politics. Fagan has the data to support this finding, noting that the increased influence of the think tanks, the issue areas where they are directing their work and research, and the increased polarization over the past few decades. The Thinkers teases out the connection between lawmakers and neutral experts—who tend to be academics doing research at colleges and universities, and those working at think tanks, who have interpolated between these two groups. This is an important part of the research on think tanks and how they operate, especially the think tanks that are more partisan and working closely to influence policy outcomes. Given the current focus on the Heritage Foundation’s Project 2025, we also discussed how this is an example of the way that the more partisan think tanks engage in the policy development process, and how they hope to influence politicians and elected officials. The Thinkers is a fascinating study of American think tanks and their role and place within our political system.

Lilly J. Goren is a professor of political science at Carroll University in Waukesha, WI. She is co-host of the New Books in Political Science channel at the New Books Network. She is co-editor of The Politics of the Marvel Cinematic Universe (University Press of Kansas, 2022), as well as co-editor of the award winning book, Women and the White House: Gender, Popular Culture, and Presidential Politics (University Press of Kentucky, 2012). She can be reached @gorenlj.bsky.social

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