Opportunism in Buyer–Supplier Relations: New Insights from Quantitative Synthesis

Abstract

After more than two decades of empirical research examining opportunism, a wide divergence of empirical findings regarding opportunism's antecedents remains. The need for more theoretically practicable and managerially actionable insight into the identity, nature, and scope of the antecedents to opportunism is clear. As such, a meta-analysis of the opportunism literature was conducted to (a) investigate the role of six antecedents (dependence, formalization, centralization, control, uncertainty, and relational norms), (b) resolve the disparate relationships' magnitudes and directions, and (c) identify moderators that might explain the disparate effect sizes. Findings suggest extant research findings are affected by socially desirable response bias; the particular operationalization of constructs, for example, whether measured opportunism is actual or perceived or whether the study omitted key antecedents; and whether the sample included firms offering products or services. Theoretical and managerial implications are developed and discussed.

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