The effect of environmental dynamism on returns to inventory leanness

This paper adds to the empirical inventory management literature by examining the moderating effects of environmental dynamism on the relationship between inventory leanness and financial performance. While the financial implications of inventory management practices have been extensively studied in the literature, it is clear that lean inventory strategies may not have the same payoff for all firms in all industries. Grounded in inventory theory, this study explores how firm characteristics and environmental dynamism—measured in terms of innovative intensity, demand uncertainty and competitive intensity—moderate the inventory leanness–performance link. We use hierarchical linear modeling to analyze a data set of 5749 firm-year observations from 123 U.S. manufacturing industries. In line with the hypotheses set forth, the results indicate that innovative intensity in an industry increases the effect of inventory leanness on firm performance while competitive intensity has the opposite effect. The hypothesis with respect to the moderating role of demand uncertainty is not supported. Another interesting and important finding is that inventory leanness accounts for nearly one third of the variation in firm performance after controlling for firm size and growth, thus underlining the importance of efficient and effective inventory management for overall firm success.