strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 …-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong … innovation for a particular technology class to build on, then that technology class innovates more. …

Migration and trade are often linked through ethnic networks boosting bilateral trade. This study uses migration to … quantify the importance of Ricardian technology differences for international trade. The framework provides the first panel … estimates connecting country-industry productivity and exports, and the study exploits heterogeneous technology diffusion from …

networks, such coordination may be very difficult to achieve and may depend on the communication technology and the network … structure. We examine how pre-play communication and clustering within networks affect coordination in a challenging … experimental game on eight-person networks. Free-form chat is enormously effective in achieving the non-equilibrium efficient …