Division of Work, Stochastic (re-)Balancing and Demand Speed : From Assembly Line toward Demand Chain

概要

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The invisible hand in economics is generally well-known, and is hypothesized to attain a win-win situation in the division of work. Here, this invisible hand of God would be regarded as "demand speed" in Matsui(2008), and the system balancing problem using demand speed is considered stochasti-cally using a station-centered approach. This paper discusses a stochastic approach to a system, or risk balancing/re-balancing using the cycle time (demand speed) and shifting from an assembly line approach toward a demand (supply) chain, and presents a fundamental theory for the cost/profit balancing of excessive penalties derived from demand speed. First, the two cost approaches are prepared based on balancing issues. Next, line balancing using expected cost is summarized, and chain balancing using stochastic cost is discussed. Finally, these two in-teresting problems for balancing are discussed in terms of future developments in the world of the invisi-ble hand (demand speed).
2010-02-15