There is a robust literature examining social networks and health, which draws on the
network traditions in sociology and statistics. However, the application of social network …

Objective To survey network analyses of datasets collected in the course of routine
operations in health care settings and identify driving questions, methods, needs, and …

There is considerable controversy about the causes of regional variations in health care
expenditures. Using vignettes from patient and physician surveys linked to fee-for-service …

Pharmaceutical companies market to physicians through individual detailing accompanied
by monetary or in-kind transfers. Large compensation payments to a small number of …

Although physicians learn about new medical technologies from their peers, the magnitude
and source of peer influence is unknown. We estimate the effect of peer adoption of three …

Background Coordinating health care within and among sectors is crucial to improving
quality of care and avoiding undesirable negative health outcomes, such as avoidable …

Social network analysis is the study of the structure of relationships between social entities.
Access to health care administrative datasets has facilitated use of “patient-sharing …

Network centrality measures assign importance to influential or key nodes in a network
based on the topological structure of the underlying adjacency matrix. In this work, we define …

The popularity of social networks is growing and offering promising opportunities for
practical applications, such as computer networks, social systems, physical systems, and …

Using original data that we have collected on referral relations between 110 hospitals
serving a large regional community, we show how recently derived Bayesian exponential …