Technological progress and environmental regulation as drivers of productivity growth : evidence from the U.S. coal industry, 1972-1994
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering; and Thesis (M.S.)--Massachusetts Institute of Technology, Technology and Policy Program, 1996.
| 主要作者: | |
|---|---|
| 其他作者: | |
| 格式: | Thesis |
| 语言: | eng |
| 出版: |
Massachusetts Institute of Technology
2008
|
| 主题: | |
| 在线阅读: | http://hdl.handle.net/1721.1/40247 |