explanation for many core-periphery structures observed in real life social networks. -- Network Formation ; Heterogeneity … solely on the types of the two end agents. Core periphery networks are defined as networks in which the agents' set can be … over the other, controlling for path length. An exhaustive analysis shows that core periphery networks, in which the …

We describe portions of the U.S input-output tables through the tools of networks analysis - focusing on either energy … and energy sector industries visually through network diagrams for the years 1997, 2002, and 2007. Next, we show that the …

linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … 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 …

We construct an empirical measure of expected network spillovers that arise through default cascades for the U …

We present a model of repeated games in large buyer-seller networks in the presence of reputation networks via which … buyers share information about past transactions. The model allows us to characterize cooperation networks - networks in … network; and [2] the incentives of a seller s to cooperate can be calculated as if the network was a random tree with seller s …

We investigate the payment card's adoption rate under consumers' and merchants' awareness of network externalities …, whereas acquirers can charge fixed and transactional fees to merchants. -- Two-sided markets ; financial services ; network …

available and widely used datasets. We present results on the identification of social networks from observational panel data … are globally identified if networks are constant over time. We also provide an extension of the method for time …-varying networks. We then describe how high-dimensional estimation techniques can be used to estimate the interactions model based on …