Brookings conducts research and education in the social sciences, primarily in economics, metropolitan policy, governance, foreign policy, and global economy and development.
he Urban Institute is a Washington D.C.-based think tank that carries out economic and social policy research to "open minds, shape decisions, and offer solutions."
RAND's research and analysis address issues that impact people around the world including security, health, education, sustainability, growth, and development.
New America, formerly the New America Foundation, is a non-partisan think tank in the United States. It focuses on a range of public policy issues, including national security studies, technology, asset building, health, gender, energy, education, and the economy.
"Mathematica Policy Research is a pioneering nonpartisan research organization dedicated to improving public well-being."
MDRC is a nonprofit, nonpartisan education and social policy research organization based in New York City and Oakland, CA.