www.greatestchallenge.org

Think Tanks

Understanding America's collective knowledge

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A

Acton Institute

Allegheny Institute

American Civil Rights Union

American Consumer Institute Center for Citizen Research

American Enterprise Institute for Public Policy Research

American Foreign Policy Council

American Institute for Economic Research

American Iranian Council

American Israel Public Affairs Committee

Analysis Group

Askew Institute on Politics and Society

Aspen Institute

Atlantic Council

Atlas Network

Albert Einstein Institution

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B

Batelle Memorial Institute

Bradley Foundation

Brookings Institution

Buckeye Institute for Public Policy Solutions

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C

Carnegie Endowment for International Peace

Cascade Policy Institute

Cato Institute

Center for American Progress

Center for an Urban Future

Center for Economic Policy and Research

Center for Ethical Solutions

Center for Global Development

Center for Governmental Studies

Center for Immigration Studies

Center for International Policy

Center for Media and Democracy

Center for Muslim-Jewish Engagement

Center for Public Integrity

Center for Religion and Civic Culture

Center for Security Policy

Center for Strategic and Budgetary Assessments

Center for Strategic and International Studies

Center on Budget and Policy Priorities

Century Foundation

Claremont Institute

Committee for Economic Development

Committee on the Present Danger

Competitive Enterprise Institute

Concord Coalition

Constitution Project

Corporation for Enterprise Development

Council for Foreign Relations

Criminal Justice Central

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D

Demos

Discovery Institute

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E

Economic Opportunity Institute

Economic Policy Institute

Economic Research Institute

Edgelab

Employment Policies Institute

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F

Foreign Policy Research Institute

Foresight Institute

Foundation for Economic Education

Foundation for Excellence in Education

Foundation for Rational Economics and Education

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G

Global Development and Environment Institute

Global Financial Integrity

Goldwater Institute

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H

Heartland Institute

Heritage Foundation

Hoover Institution

Hudson Institute

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I

Independence Insitute

Independent Institute

Information Technology and Innovation Foundation

Institute for Collaborative Engagement

Institute for Policy Studies

Institute for the Study of Succession and Continuity

International Center for Research on Women

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J

James Madison Institute

Jamestown Foundation

Joint Center for Political and Economic Studies

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K

Keck Insitute for Space Studies

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L

Ludwig von Mises Insitute

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M

Mackinac Center for Public Policy

Manhattan Institute for Policy Research

Mercatus Center

Migration Policy Institute

Milken Institute

MITRE Corporation

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N

National Bureau of Asian Research

National Bureau of Economic Research

National Center for Policy Analysis

National Endowment for Democracy

Natural Resources Defense Council

NDN

New America Foundation

New England Complex Systems Institute

New Teacher Center

Nixon Center

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O

Oregon Center for Public Policy

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P

Pacific Institute

Pacific Research Institute

Palo Alto Research Center (PARC)

Pioneer Institute

Policy and Economic Research Council (PERC)

Policy Matters Ohio

PR Newswire

Progress and Freedom Foundation

Progressive Policy Institute

Project for the New American Century

Public Citizen

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R

Rand Corporation

Research Triangle Institute (RTI)

Reason Foundation

Resources for the Future

Ripon Society

Rockford Institute

Rockridge Institute

Rocky Mountain Institute

Roosevelt Institute

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S

Santa Fe Institute

Stimson Center

Strategic Studies Institute

Streit Council

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T

Tax Foundation

Tellus Institute

Third Way

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U

Urban Institute

Urban Energy Policy Institute

Urban Land Institute

Union of Concerned Scientists

United States Institute of Peace

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W

Washington Institute for Near East Policy

WestEd

Woodrow Wilson International Center for Scholars

World Policy Institute

World Resources Institute

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