22 research outputs found

    Six Sigma Pricing (R0505H)

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    Modeling supply-chain planning under demand uncertainty using stochastic programming: A survey motivated by asset-liability management

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    We extend the linear programming (LP) model of deterministic supply-chain planning to take demand uncertainty and cash flows into account for the medium term. The resulting stochastic LP model is similar to that of asset-liability management (ALM), for which the literature using stochastic programming is extensive. As such, we survey various modeling and solution choices developed in the ALM literature and discuss their applicability to supply-chain planning. This survey can be a basis for making modeling/solution choices in research and in practice to manage the risks pertaining to unmet demand, excess inventory, and cash liquidity when demand is uncertain.Supply chain risk management Risk models Stochastic programming Supply-chain planning Asset-liability management Demand uncertainty Centralized supply-chain planning

    Social enterprises as supply-chain enablers for the poor

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    Many social enterprises use the poor as producers to improve their living standards. We seek to answer how they do so, from a supply chain perspective. Drawing on various successful social enterprises in Afghanistan, Africa, Bangladesh, India, Malaysia, Mexico, Nepal, Philippines and Sri Lanka, we look at the material, information and cash flows of the micro-entrepreneurs for these social enterprises. We show how a social enterprise helps its associated micro-entrepreneurs by improving the latter's supply chain operations via: (1) easier access to financial credits; (2) easier access to market information; (3) easier market access; and (4) better access to supplies and raw materials and higher productivity through better health and equipment. We then speculate on how to make social enterprises economically sustainable and propose that social enterprises would be better off enabling micro-enterprises rather than running production operations themselves.Economic sustainability Bottom of Pyramid Social enterprise Micro-entrepreneurs Poor as producers Entrepreneurship Supply chain
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