Non - Convex Costs and Capital Utilization : A Study of Produ tionS heduling at Automobile
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Non-convex costs and capital utilization: A study of production scheduling at automobile assembly plants ¬リニ
I study detailed data from eleven automobile assembly plants. These data display considerable cross-plant heterogeneity in production scheduling. To explain the observed heterogeneity, I solve a dynamic programming model. When desired production is below the plant's minimum e$cient scale, non-convexities induce production bunching; the plant uses less than full capital utilization on average an...
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This paper studies how managers at automobile assembly plants organize production across time. Detailed data from eleven single-source automobile assembly plants display considerable cross-plant heterogeneity. At plants which make lowand medium-selling vehicles the capital stock often sits idle, production is more variable than sales, and weeklong shutdowns are often used to vary output. In con...
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Ben Coleman and Weizhen Mao Department of Computer S ien e, College of William & Mary, Williamsburg, VA 23187-8795, USA f oleman,wmg s.wm.edu Abstra t We onsider the unrelated ma hine s heduling problem where ea h job may have a di erent proessing time on ea h ma hine. This model a urately represents systems where ea h ma hine or worker has di erent abilities. A spe ial ase of this problem is t...
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