|
Centre for Economic Policy Research (United Kingdom)
17
|
National Bureau of Economic Research (United States)
13
|
Urban Institute (United States)
12
|
|
Atlantic Council (United States)
9
|
Pembina Institute (Canada)
9
|
Mathematica Policy Research (United States)
7
|
|
Environment for Development Initiative (Sweden)
4
|
German Development Institute (Germany)
4
|
Overseas Development Institute (United Kingdom)
4
|
|
American Enterprise Institute (United States)
3
|
Center for Strategic and International Studies (United States)
3
|
RAND Corporation (United States)
3
|
|
James A. Baker III Institute for Public Policy (United States)
2
|
Brookings Institution (United States)
1
|
Center for International Development (United States)
1
|
|
Centre for International Governance Innovation (Canada)
1
|
Energy Policy Research Group (United Kingdom)
1
|
Institute for European Environmental Policy (United Kingdom)
1
|
|
Oxford Institute for Energy Studies (United Kingdom)
1
|
Resources for the Future (United States)
1
|
