Understanding and measuring social inter-correlations among consumers are important for marketing researchers as consumers form social networks and their behavior and preference are likely to be interdependent. In this paper, we show that the estimation of consumers' social inter-correlations...

Physicians may learn about prescription drug effectiveness directly from the firm via detailing or from patient experience. Patient-mediated learning is aided by the use of free drug samples. The effective use of samples is hampered by a lack of understanding of its exact return on investment...

Spatial autocorrelation is a parameter of importance for network data analysis. To estimate spatial autocorrelation, maximum likelihood has been popularly used. However, its rigorous implementation requires the whole network to be observed. This is practically infeasible if network size is huge...