**3. Roles of institutions to overcome identified barriers in diffusing clear energy technologies in Asia**

Section 2 presented the barriers commonly observed in the developing countries as well as the technology-specific barriers. Section 3 explores roles of institutions to overcome these barriers in diffusing clear energy technologies in Asia. Section 3.1 addresses theoretical discussions on the functions of international and national institutions in technology innovation. Section 3.2 attempts to match the barriers in technology diffusion identified in Section 2 with the functions of national and international institutions.
