| December, 2005 | |
| June, 1992 | James J. MacKenzie, Roger C. Dower and Donald D.T. Chen
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| Working Paper: May, 2013 | Smita Nakhooda, Taryn Fransen, Sven Harmeling, Anja Esch, Linde Griesshaber, David Eckstein, Lisa Junghans
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| September 14, 2007 | World Resources Institute
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| June, 2003 | Ruth Mackenzie, Françoise Burhenne-Guilmin, Antonio G.M. La Viña and Jacob D. Werksman in cooperation with ... |
| Working Paper: September, 2002 | Antonio G. M. La Vina
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| June, 2007 | World Resources Institute, National Institute for Public Finance and Policy, and Prayas-Pune, Energy Group
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| March, 2006 | |
| December, 1997 | David Barkin, Universidad Autonoma Metropolitana, Mexico City
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| June, 1997 | Robert Repetto and Duncan Austin
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