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Since 1975, CBO has produced independent analyses of budgetary and economic issues to support the Congressional budget process. Each year, the agency’s economists and budget analysts produce dozens of reports and hundreds of cost estimates for proposed legislation.

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A comprehensive digital library of public policy research containing over 30,000 documents.

The institutions on this list make up the 50 most influential think tanks in the United States.

This is a list of notable think tanks in the United States.

Think Tank Search searches the websites of institutions that generate public policy research, analysis, and activity. These sites are affiliated with universities, governments, advocacy groups, foundations, non-governmental organizations, and businesses. Inclusion is based upon the relevancy of subject area to HKS coursework and scholarship, the availability of the think tank’s research in full-text on the website, and the think tank’s reputation and influence upon policy making. The list represents a mixture of partisan and non-partisan think tanks.

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