 | Title | Subject | Paper Date | |
 | AEI-Brookings Joint Center |
| |
  | AEI-Brookings Joint Center for Regulatory Studies |
|  |
 | Alliance to Save Energy |
| |
  | American Enterprise Instittute |
|  |
 | Annual Reviews |
| |
  | Association of Environmental and Resource Economists |
|  |
 | British Academy |
| |
|
|  |
 | California at Berkeley, University of, Department of Agricultural and Resource Economics and Policy |
| |
  | California at Los Angeles, University of |
|  |
 | California at San Diego, University of |
| |
  | California Senate Office of Research |
|  |
 | California, University of |
| |
  | California, University of, at Davis |
|  |
 | Center for a Sustainable Economy |
| |
  | Center for Development Research (ZEF) |
|  |
 | Colby College |
| |
  | Colorado at Denver, University of |
|  |
 | Columbia University |
| |
  | Columbia University, Department of Economics and International Affairs |
|  |
 | Congressional Research Service |
| |
|
|  |
 | Duke University |
| |
|
|  |
 | Environmental Law Institute |
| |
  | Environmental Protection Agency, Office of Air and Radiation |
|  |
 | Fox-Wolf Watershed Alliance |
| |
|
|  |
 | Harvard University |
| |
|
|  |