Theories And Techniques. A. Summarize The Following Theories:

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Theories and Techniques
A. Summarize the following theories: just in time (JIT), Toyota Production System (TPS), and Lean. How are these concepts related? Describe the advantages and disadvantages for using each of these concepts at the company presented in the case study. Just-in-time: Just-in-time is an approach of continuous and forced problem solving through a focus on throughput and reduced inventory. Nissan takes advantage of JIT through reduced inventory levels and relying on a supply chain to deliver the parts needed to build its cars. The major benefit to JIT is that production runs remain short and the costs are reduced through less waste in warehouse storage space requirements. The company also saves money on raw materials
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The advantages of lean operations are that they cut costs, save time, and are easy to monitor. The disadvantages are difficult implementation.
When used as a complete strategy these three systems sustain competitive advantage and increase overall returns. The major differences between JIT, TPS, and lean operations is that JIT emphasizes forced problem solving, TPS emphasizes employee learning and empowerment in an assembly-line environment and Lean processes emphasize understanding the customer.(Heizer 626)

Describe how the emerging concept of the triple bottom line can be used to enhance operations management at the company. Be sure to address each component of the triple bottom line. The triple bottom line is an accounting framework that incorporates what is commonly referred to as the three P 's: people, planet, and profit. People: The emergence of the triple bottom line has led to companies becoming more aware of how their decisions affect not only employees and customers but those within the community they operate in. To achieve this in an ever changing global world a company needs to create policies and guidelines on how to select suppliers and evaluate performance. Planet: Operations managers are always looking for ways to reduce companies environmental impact on the earth, and they achieve this through careful selection of raw materials, process innovations, alternative product delivery methods or disposal of end of life
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