International audienceThe objective of this paper is to show that the investments through the clean development mechanism (CDM) can exert a leverage effect to (i) make attractive to developing countries non-binding commitments and the adoption of national policies and measures; this comes as a guarantee of non-conditionally of the mechanism to strictly environmental concerns and (ii) create a flow of additional investments and technological transfer from Annex B countries to non-Annex B countries.The Indian power sector has been chosen as an example of a sector where institutional barriers, market imperfections, and tariff distortions create a great space for Pareto improvements and leave an important potential for no-regret measures: techn...