期刊
JOURNAL OF BUSINESS LOGISTICS
卷 40, 期 3, 页码 204-228出版社
WILEY
DOI: 10.1111/jbl.12204
关键词
motor carrier; productivity; efficiency; data envelopment analysis; panel data
类别
Two questions facing motor carrier managers are (1) whether carriers should specialize in providing full truckload (TL) or less-than-truckload (LTL) services vis-a-vis offering mix of both and (2) whether this decision is contingent on carrier size. Yet, the literature provides little guidance because research to date has offered contradictory theoretical predictions and inconsistent empirical findings. Drawing on the theory of strategic purity and information processing theory, we explain why service specialization is likely to increase carriers' technical efficiency and why size will have a more pronounced effect on technical efficiency for carriers specializing in LTL services versus TL services. To test our theory, we assemble a panel data set from archival government sources regarding general freight motor carriers' provision of LTL and TL services. We measure carriers' technical efficiency using data envelopment analysis and test our hypotheses by fitting a series of panel data mixed-effects models. Our results indicate that carriers are most technically efficient when they specialize in one service type. We also find that size positively affects technical efficiency but only for carriers specializing in LTL services; no returns to scale with regard to technical efficiency exist for carriers specializing in TL services.
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