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In page Richard Vedder:

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Vedder serves as an adjunct scholar at the American Enterprise Institute (AEI), a think tank known for mostly libertarian and conservative perspectives. He has served as an economist with Congress' Joint Economic Committee. In his role with the AEI, he later testified before the Committee on October 30, 2008.[2][3] He is also director of the Center for College Affordability and Productivity[4] in Washington, D.C.[5]