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Chapter 1 Engineering Economic Decisions

Chapter 1 Engineering Economic Decisions. Rational Decision-Making Process Economic Decisions Predicting Future Role of Engineers in Business Large-scale engineering projects Types of strategic engineering economic decisions. Rational Decision-Making Process. Recognize a decision problem

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Chapter 1 Engineering Economic Decisions

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  1. Chapter 1Engineering Economic Decisions • Rational Decision-Making Process • Economic Decisions • Predicting Future • Role of Engineers in Business • Large-scale engineering projects • Types of strategic engineering economic decisions (c) 2001 Contemporary Engineering Economics

  2. Rational Decision-Making Process • Recognize a decision problem • Define the goals or objectives • Collect all the relevant information • Identify a set of feasible decision alternatives • Select the decision criterion to use • Select the best alternative (c) 2001 Contemporary Engineering Economics

  3. Recognize a decision problem Define the goals or objectives Collect all the relevant information Identify a set of feasible decision alternatives Select the decision criterion to use Select the best alternative Need a car Want mechanical security Gather technical as well as financial data Choose between Saturn and Honda Want minimum total cash outlay Select Honda Which Car to Lease? (c) 2001 Contemporary Engineering Economics

  4. Engineering Economic Decisions Manufacturing Profit Planning Investment Marketing (c) 2001 Contemporary Engineering Economics

  5. Predicting the Future • Required investment • Forecasting product demand • Estimating selling price • Estimating manufacturing cost • Estimating product life (c) 2001 Contemporary Engineering Economics

  6. Role of Engineers in Business • Participate in a variety of decision-making processes, ranging from manufacturing, through marketing, to financing decisions • Plan for the acquisition of equipment • Design products from the concept to shipping (c) 2001 Contemporary Engineering Economics

  7. A Large-Scale Engineering Project • Requires a large sum of investment • Takes a long time to see the financial outcomes • Difficult to predict the revenue and cost streams (c) 2001 Contemporary Engineering Economics

  8. Types of Strategic Engineering Economic Decisions • Equipment and Process Selection • Equipment Replacement • New Product and Product Expansion • Cost Reduction • Service Improvement • Public Works • Cost Effectiveness (c) 2001 Contemporary Engineering Economics

  9. Equipment & Process Selection • How do you choose between Plastic SMC and Steel sheet stock for the auto body panel? • The choice of material will dictate the manufacturing process for the body panel as well as manufacturing costs. (c) 2001 Contemporary Engineering Economics

  10. Which Material to Choose? (c) 2001 Contemporary Engineering Economics

  11. Equipment Replacement • Now is the time to replace the old machine? • If not, when is the right time to replace the old equipment? (c) 2001 Contemporary Engineering Economics

  12. New Product and Product Expansion • Shall we build or acquire a new facility to meet the increased demand? • Is it worth spending money to market a new product? Gillette’s MACH3 Project (c) 2001 Contemporary Engineering Economics

  13. Cost Reduction • Should a company buy equipment to perform an operation now done manually? • Should spend money now in order to save more money later? (c) 2001 Contemporary Engineering Economics

  14. Service Improvement • How many more jeans would Levi need to sell to justify the cost of additional robotic tailors? (c) 2001 Contemporary Engineering Economics

  15. Summary • The term engineering economic decision refers to all investment decisions relating to engineering projects. • The five main types of engineering economic decisions are (1) equipment and process selection, (2) equipment replacement, (3) new product and product expansion, (4) cost reduction, and (5) service improvement. • The factors of time and uncertainty are the defining aspects of any investment project. (c) 2001 Contemporary Engineering Economics

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