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2015 TOCICO International Conference

Transforming Industries Track


Namkee Chung
NAMKEE CHUNG
Professor
Dept. of Industrial Engineering
Chonnam National University

Switching S&OP to MTA Reduces the Volatility of Supply Chain Planning: A Simulation Experiment of Production Planning
September 7, 2015

This Presentation shows a simulation result that supports the utility value of Make to Availability (MTA) in Supply Chain Planning (SCP). A simple 2-stage supply chain model is adopted in order to investigate the impact of production planning upon the volatility reduction of SCP.

Examined are those of MTA scheme and Sales & Operations Planning (S&OP) method. Comparative analysis of these two methods shows that MTA does not induce bigger volatility than the S&OP does, where the volatility index is measured by the ratio of production plan variations to that of sales plan.

Statistical analysis indicates that MTA-based production planning can be evaluated as one of the important factors in reducing the so called Bullwhip Effect in a supply chain.


NAMKEE CHUNG is a Professor at the Department of Industrial Engineering, Chonnam National University, South Korea. He is Vice President of the TOC Korea Association and Dean of Korea TOC Academy. He is the author of several books (Korean): TOC Constraint Management (1999), TOC Golden Rule (2002), Performance 200% Up TOC (2005) and TOC Inventory Management (2013). He is also the co-translator of "Necessary But Not Sufficient (Goldratt) and Smart Thinking (Khwa Choon Ean). He also provides consultancy to companies in supply chain, project management, strategy and tactics.

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