A rich literature argues that interorganizational networks foster learning and coordinated adaptation among their constituents, but embedded ties between organizations are not ubiquitous. What explains this heterogeneity? Acknowledging the influence of agency relationships within organizations...

Considerable evidence suggests that information is acquired more easily within than across firm boundaries. I explore why this is observed in the setting of clinical development. Since the mid-1980s, pharmaceutical firms have partly contracted out the operational aspects of clinical trials to...

We examine the role of consumption externalities in the demand for pharmaceuticals at both the brand level and over a therapeutic class of drugs. These effects emerge when use of a drug by others affects its value, and/or conveys information abut efficacy and safety to patients and physicians....