This study examines the relationship between the diffusion of IT and changes in collaboration patterns across … natural sciences and narrower fields such as economics and biology. Two measures of institutional collaboration are examined … collaboration patterns across universities and then use regression analysis to examine the impact of IT exposure on multi …

gangsters' importance in- side the network (called centrality) but not the preference for specific housing needs. A standard … their connections within the organized crime network, I estimate network effects on gangsters' economic status. Lacking … causality between the economic status and the gangster's position in the network exploiting exogenous exposure to potential pre …

analyzed. There are significantly positive correlations between gift network centrality and various forms of informal insurance … researchers an underutilized means of data collection for social network analysis. This paper first summarizes unique features of … the observed gift network structure. …

inventors shape their collaboration decisions. Using a new panel of UK inventors and a novel identification strategy, this paper … show that physical proximity is an important influence on collaboration, but is mediated by organisational and ethnic …

sampling, list randomization and social network analysis to construct a series of empirically valid estimates that can begin to …