naïvely update their beliefs by repeatedly taking weighted averages of their neighbors' opinions. A focus is on conditions … under which beliefs of all agents in large societies converge to the truth, despite their naïve updating. We show that this … networks for which there is a convergence of beliefs. Finally, we survey some recent structural results on the speed of …

Using quarterly data of 58 countries, this paper provides empirical evidence that mobile phone diffusion from 2007 to …). In addition, we test if the impact on mobile phone diffusion differs whether technologies are local or global standards … (Global System for Mobile Communications) technology prevent the diffusion of third generation (3G) mobile phones. We show …