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Derivation of the Probability Distribution of WIP velocities

Author

Listed:
  • Michael Louis George

    (Institute of Business Entropy)

Abstract

The Ohno Criterion states that WIP with faster velocities have lower cost than WIP with average slower velocities, in manufacturing cycles per unit time: v=G/W where W= number of pieces of Work In Process Inventory (WIP), and G = rate at which pieces exit from WIP to finished goods per unit time. This velocity is derived from Little’s Law: average cycle time t=W/G units of time per manufacturing cycle. But what is the distribution of velocities around the average?

Suggested Citation

  • Michael Louis George, 2013. "Derivation of the Probability Distribution of WIP velocities," Working Papers 0622, Institute of Business Entropy.
  • Handle: RePEc:geg:wpaper:0622
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    More about this item

    Keywords

    Profit; Entropy; Waste; WIP; Little's Law;
    All these keywords.

    JEL classification:

    • C10 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - General
    • C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General
    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General
    • C24 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Truncated and Censored Models; Switching Regression Models; Threshold Regression Models
    • C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty
    • L6 - Industrial Organization - - Industry Studies: Manufacturing
    • L7 - Industrial Organization - - Industry Studies: Primary Products and Construction
    • L8 - Industrial Organization - - Industry Studies: Services
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality
    • M21 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Business Economics - - - Business Economics

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