In this paper, we connect the social network theory on centrality measures to the economic theory of preferences and … different networks. The famous degree measure assigns to every position in a weighted network the sum of the weights of all … links with its neighbours. A crucial property of a preference relation over network positions is neutrality to ordinary risk …

.g. geographical distance between regions). ERGMs represent a new set of network analysis techniques that have been developed in recent … determinants at the structural network level while still only requiring cross-sectional network data. The usefulness of ERGMs is … illustrated by an empirical study on the structure of the cross-regional R and D collaboration network of the German chemical …

network is the main channel through which agents exploit new opportunities. Therefore, only if the social network becomes … insights arising from the model is that, in order for the social network to turn global, the economy needs to display a degree … particular, as the rate of arrival of ideas rises, or when there is a high enough increase in the range at which the network …

efficient network maximizing social welfare, and find that the efficient graph is either empty, complete or shows a strong core … counterfactual analyses, taking into account that the network and production can dynamically adjust to shocks or policy interventions ….6%. Our study further reveals that when ignoring the network structure the impact of firm exit or mergers is significantly …