Joel A. C. Baum

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and Daniel Tzabbar for help with data coding, as well as three anonymous reviewers for in-depth comments on methods and theory. ABSTRACT We examined the effects of educational and nationality diversity on work teams' information use. We theorize that some demographic dimensions, such as nationality, trigger social categorization and limit the value of(More)
Empirical research on strategic alliances has focused on the idea that alliance partners are selected on the basis of social capital considerations. In this paper we emphasize instead the role of complementary knowledge stocks (broadly defined) in partner selection, arguing not only that knowledge complementarity should not be overlooked, but that it may be(More)
Do firms build new capabilities by hiring new people? We explore this question in the context of the pharmaceutical industry’s movement towards science-driven drug discovery. We focus particularly on the potential problem of endogeneity in interpreting correlation between hiring and changes in organizational outcomes as evidence of the impact of new hires(More)
Gastroparesis is a chronic disorder of gastric motility that is characterized by delayed emptying of either solids or liquids from the stomach in the absence of any mechanical obstruction. Nausea, vomiting, early satiety and bloating are some of the manifestations of gastroparesis. Idiopathic, diabetes mellitus and postsurgical states account for the(More)
We develop a contingency theory for how structural closure in a network, defined as the extent to which an actor’s network contacts are connected to one another, affects the initiation and adoption of change in organizations. Using longitudinal survey data supplemented with eight indepth case studies, we analyze 68 organizational change initiatives(More)
Departing from prior work that demonstrates the stickiness and stability of alliance networks resulting from embeddedness, we extend matching theory to study firms’ withdrawal from alliances. Viewing alliance withdrawal as a result of firms’ pursuit of more promising alternative partners – outside options – rather than failures in collaboration, we predict(More)