|
James A. Baker III Institute for Public Policy (United States)
46
|
National Bureau of Economic Research (United States)
43
|
RAND Corporation (United States)
32
|
|
Institute of Energy Economics, Japan (Japan)
7
|
Brookings Institution (United States)
6
|
Center for American Progress (United States)
3
|
|
Atlantic Council (United States)
2
|
Center for Strategic and International Studies (United States)
2
|
Resources for the Future (United States)
2
|
|
Competitive Enterprise Institute (United States)
1
|
