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The Hayes-Wheelwright matrix is a four-stage model; each stage is characterized by the management strategy implemented to exploit the manufacturing potential. In stage 1, the production process is flexible and high cost, and becomes increasingly standardize, mechanized, and automated, resulting in an inflexible and cost-efficient process.
Hayes worked for IBM and McKinsey & Company. [1] He became a professor at the Harvard Business School, eventually receiving the Philip Caldwell chair in business administration. [1] He worked with William J. Abernathy. [2] Professor Wickham Skinner was one of their mentors. [2]
Some additional elements are also fundamental: [49] production smoothing (Heijunka), capacity buffers, setup reduction, cross-training and plant layout. Heijunka : production smoothing presupposes a level strategy for the MPS and a final assembly schedule developed from the MPS by smoothing aggregate production requirements in smaller time ...
In business and project management, a responsibility assignment matrix [1] (RAM), also known as RACI matrix [2] (/ ˈ r eɪ s i /; responsible, accountable, consulted, and informed) [3] [4] or linear responsibility chart [5] (LRC), is a model that describes the participation by various roles in completing tasks or deliverables [4] for a project or business process.
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Find Out First. ICIJ and The Huffington Post estimate that 3.4 million people have been physically or economically displaced by World Bank-backed projects since 2004.
Simple mediation model. The independent variable causes the mediator variable; the mediator variable causes the dependent variable. In statistics, a mediation model seeks to identify and explain the mechanism or process that underlies an observed relationship between an independent variable and a dependent variable via the inclusion of a third hypothetical variable, known as a mediator ...