prices and diffusion. We address the question of non-random selection arising from cross-country differences in the timing of … be a substantial problem in cross-country studies on technology diffusion and yield biased estimates of the policy … variables of interest. Our estimation results suggest that standardization accelerates 2G entry and diffusion, although within …

more profitable, also speed up diffusion. The effects are robust to using instruments to control for endogeneity of policy … regimes. The results point to an important role for patents and other policy choices in driving the diffusion of new …

choices of others in the same social networks. Since farmers anticipate that they will share information with others, we … commonly arise in this context. In particular social networks are precisely identified, and in addition we can control for …

created through this channel are likely to be of average better quality than those created through informal networks. A simple …

have little idea how “active” is the average online activist or how social networks matter in facilitating electronic …

beneficiary households' networks: they form ties to wealthier residents after the programme. The programme also affects outcomes …