Many of the nation’s leading think tanks, both on the right and the left, have been reluctant to disclose their major donors, raising questions about whether their research is being swayed by special interests.
Transparify, a small nonprofit, examined many of the top think tanks to see which ones reveal the names of their key contributors.
"If you are concealing the sources of funding that is relevant, as people don’t know how your research may be motivated,” said Hans Gutbrod.
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