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An important management topic across a wide spectrum of firms is reconfiguring the value delivery system – defining the boundaries of the firm. Profit impact should be the way any value chain configuration is evaluated. The managerial accounting literature refers to this topic as “make versus buy” and typically addresses financial impact without much attention to strategic issues. The strategic management literature refers to the topic as “level of vertical integration” and typically sees financial impact in broad “transaction cost economics” terms. Neither approach treats fully the linkages all along the causal chain from strategic actions to resulting profit impact. In this paper we propose a theoretical approach to explicitly link supply chain reconfiguration actions to their profit implications. We use the introduction by Levi Strauss of Personal Pair™ jeans to illustrate the theory, evaluating the management choices by comparing profitability for one pair of jeans sold through three alternative value delivery systems. Our intent is to propose a theoretical extension to the make/buy literature which bridges the strategic management literature and the cost management literature, using A-P-L and SCM, and to illustrate one application of the theory.

Total cost of ownership is a methodology and philosophy which looks beyond the price of a purchase to include many other purchaserelated costs. This approach has become increasingly important as organizations look for ways to better understand and manage their costs. Examines case studies of 11 firms which use total cost of ownership concepts in purchasing. Based on the case study data and the literature, barriers and benefits associated with the total cost of ownership approach are discussed. The total cost of ownership models used by the case study firms are classified by type as dollar‐based or value‐based, and an example of each is shown. The total cost of ownership models are then further classified by their primary usage: supplier selection or supplier evaluation. This cross classification reveals a strong relationship between model type and model usage. Concludes with a comparison of the models, recommendations for practitioners and a discussion of future research directions.