Thirty years have passed since Pfeffer and Salancik's seminal work on resource dependence theory (RDT). During this time RDT has been applied broadly across the research domain to explain how organizations reduce environmental interdependence and uncertainty. In this review, the authors assess the conceptual development, empirical research, and application of RDT. They structure their review around the five options that Pfeffer and Salancik propose firms can enact to minimize environmental dependences: (a) mergers/vertical integration, (b) joint ventures and other interorganizational relationships, (c) boards of directors, (d) political action, and (e) executive succession. The authors summarize past work, synthesize contemporary thought, and propose future research directions.

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Director selection is a critical board process and outcome that influences the board and its overall performance. Because of this influence, research from a variety of different disciplinary areas examines the antecedents and outcomes of director selection. The authors offer a synthesis of this literature from these different disciplines. The authors first delineate the process that drives the selection of an individual to a board. They then review and categorize the director selection literature into two distinct perspectives-a rational economic perspective focused on the organization-level benefits driving the selection decision and a socialized perspective emphasizing the social processes that influence the director selection process. Finally, from their review, the authors suggest promising areas of future research regarding director selection.

Research summary: We investigate the theoretical and empirical implications of longitudinal data in strategy research. Theoretically, longitudinal data allow strategy researchers to distinguish between relationships among constructs within versus between firms. Empirically, longitudinal data contain information about two types of relationships: within‐ and between‐firm. We describe how the hybrid approach, a technique used in other disciplines, disentangles within‐ and between‐firm relationships. We reexamine a study of research and development expenditures to illustrate the advantages of the hybrid approach. Based on our theory and reexamination, we offer a series of recommendations for researchers using longitudinal data to test theoretical perspectives. Managerial summary: Strategy research examines two sources of variation over time: what is occurring within the firm (e.g., Do firms perform better over time when investing more in R&D?) and what is occurring between firms (e.g., Do firms investing more in R&D outperform firms investing less in R&D?). These two sources may be similar or different in both direction and magnitude, and when significant differences exist in either direction or magnitude, researchers must carefully consider the implication of these differences to their theoretical rationale and statistical testing. Our article highlights the benefits of theorizing and testing these two sources of variance, providing scholars the ability to broaden both the theoretical and empirical contribution of their research. This distinction is important to how research informs managerial decision making. Copyright © 2016 John Wiley & Sons, Ltd.