1 Introduction to Operations Management Copyright © 2014 by McGraw-Hill Education (Asia). All rights reserved. Module Objectives 1. Define operations management. 2. Cite examples of service and manufacturing. 3. Identify the three major functional areas in organizations and their relationship. 4. Discuss the value-added process 5. Use the IPO concept in various sample industries. 1-2 Operations Management Operations Management is: The management of systems or processes that create goods and/or provide services Operations Management affects: Companies’ ability to compete Nation’s ability to compete internationally 1-3 Types of Operations Table 1.4 Operations Examples Goods Producing Farming, mining, construction, manufacturing, power generation Storage/Transportation Warehousing, trucking, mail service, moving, taxis, buses, hotels, airlines Exchange Retailing, wholesaling, financial advising, renting or leasing Entertainment Films, radio and television, concerts, recording Communication Newspapers, radio and TV newscasts, telephone, satellites 1-4 Production of Goods vs. Delivery of Services Production of goods – tangible output Delivery of services – an act Service job categories Government Wholesale/retail Financial services Healthcare Personal services Business services Education 1-5 Manufacturing or Service? Tangible Act 1-6 Key Differences 1. 2. 3. 4. 5. Customer contact Uniformity of input Labor content of jobs Uniformity of output Measurement of productivity 1-7 Key Differences 6. Production and delivery 7. Quality assurance 8. Amount of inventory 9. Evaluation of work 10. Ability to patent design 1-8 Table 1.3 Goods vs. Service Characteristic Goods Service Customer contact Uniformity of input Low High High Low Labor content Uniformity of output Low High High Low Output Measurement of productivity Opportunity to correct problems Tangible Easy High Intangible Difficult Low Inventory Evaluation Patentable Much Easier Usually Little Difficult Not usually 1-9 The Organization Figure 1.1 The Three Basic Functions Organization Finance Operations Marketing 1-10 Overlap of Business Functions Figure 1.5 Operations Finance Marketing 1-11 Operations Interfaces Figure 1.6 Legal Public Relations Accounting Operations Personnel/ Human resources MIS 1-12 Value-Added Process Figure 1.2 The operations function involves the conversion of inputs into outputs Value added Inputs Land Labor Capital Transformation/ Conversion process Outputs Goods Services Feedback Control Feedback Feedback 1-13 Value-Added and Product Packages Value-added elements make the difference between the cost of inputs and the value or price of outputs. Product packages are a combination of goods and services. Product packages can make a company more competitive. 1-14 The Goods–Service Continuum Figure 1.3 Goods Service Surgery, teaching Song writing, software development Computer repair, restaurant meal Automobile repair, fast food Home remodeling, retail sales Automobile assembly, steel making 1-15 Food Processor Table 1.2 Inputs Processing Outputs Raw vegetables Metal sheets Water Energy Labor Building Equipment Cleaning Making cans Cutting Cooking Packing Labeling Canned vegetables 1-16 Hospital Table 1.2 Inputs Doctors, nurses Hospital Medical supplies Equipment Laboratories Processing Outputs Examination Surgery Monitoring Medication Therapy Treated patients 1-17 Table 1.3 Goods vs. Service Characteristic Goods Service Customer contact Uniformity of input Labor content Uniformity of output Output Measurement of productivity Opportunity to correct problems Inventory Evaluation Patentable 1-18 Scope of Operations Management Operations Management includes: Forecasting Capacity planning Scheduling Managing inventories Assuring quality Motivating and training employees Locating facilities Supply chain management And more . . . 1-19 Figure 1.4a Percent U.S. Manufacturing vs. Service Employment 02 Year Mfg. Service 45 79 21 90 Mfg. 50 72 28 80 Service 55 72 28 70 60 68 32 60 65 64 36 50 70 64 36 40 75 58 42 30 80 44 46 20 85 43 57 10 90 35 65 0 95 25 75 45 50 55 60 65 70 75 80 85 90 95 00 02 05 00 30 70 Year 25 75 Figure 1.4b Singapore Manufacturing vs. Service Employment 80 70 60 Percent 50 40 Services Manufacturing 30 20 10 0 '01 '02 '03 '04 '05 '06 '07 '08 '09 '10 '11 Year 1-21 Decline in Manufacturing Jobs Productivity Increasing productivity allows companies to maintain or increase their output using fewer workers Outsourcing Some manufacturing work has been outsourced to more productive companies 1-22 Challenges of Managing Services Service jobs are often less structured than manufacturing jobs Customer contact is higher Worker skill levels are lower Services hire many low-skill, entry-level workers Employee turnover is higher Input variability is higher Service performance can be affected by worker’s personal factors 1-23 Key Decisions of Operations Managers What What resources/what amounts When Needed/scheduled/ordered Where Work to be done How Designed/Resources allocated Who To do the work 1-24 Operations Management Decision Making Models Quantitative approaches Performance metrics Analysis of trade-offs Systems approach Establishing priorities Ethics 1-25 Decision Making Models Quantitative approaches Performance metrics Analysis of trade-offs Systems approach Establishing priorities Ethics 1-26 Quantitative Approaches Linear programming Queuing techniques Inventory models Project models Statistical models 1-27 Performance Metrics To control different aspects of operations Many: Profits Costs Quality Productivity Assets Inventory Schedules Forecast accuracy 1-28 Analysis of Trade-Offs Decision on the amount of inventory to stock Increased cost of holding inventory vs. Level of customer service 1-29 Systems Approach “The whole is greater than the sum of the parts.” Suboptimization 1-30 Ethical Issues Financial statements Worker safety Product safety Quality Environment Community Hiring/firing workers Closing facilities Worker’s rights 1-31 Historical Summary of Operations Management Industrial revolution (1770s) Scientific management (1911) Mass production Interchangeable parts Division of labor Human relations movement (1920–60) Decision models (1915, 1960–’70s) Influence of Japanese manufacturers 1-32 Trends in Business Major trends The Internet, e-commerce, e-business Management technology Globalization Management of supply chains Outsourcing Agility Ethical behavior 1-33 Management Technology Technology: The application of scientific discoveries to the development and improvement of goods and services Product and service technology Process technology Information technology 1-34 Simple Product Supply Chain Figure 1.7 Suppliers’ Suppliers Direct Suppliers Producer Distributor Final Consumer Supply Chain: A sequence of activities And organizations involved in producing And delivering a good or service 1-35 A Supply Chain for Bread Value Added Value of Product Farmer produces and harvests wheat $0.15 $0.25 Wheat transported to mill $0.08 $0.33 Mill produces flour $0.15 $0.48 Flour transported to baker $0.08 $0.56 Baker produces bread $0.54 $1.00 Bread transported to grocery store $0.08 $1.08 Grocery store displays and sells bread $0.21 $1.29 Total Value-Added $1.29 Stage of Production 1-36 Other Important Trends Operations strategy Working with fewer resources Revenue management Process analysis and improvement Increased regulation and product liability Lean production 1-37