Operations Management Operations and Productivity Chapter 1 Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-1 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Outline PROFILE: HARD ROCK CAFE WHAT IS OPERATIONS MANAGEMENT? ORGANIZING TO PRODUCE GOODS AND SERVICES WHY STUDY OM? WHAT OPERATIONS MANAGERS DO How This Book Is Organized WHERE ARE THE OM JOBS? Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-2 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Outline - Continued THE HERITAGE OF OPERATIONS MANAGEMENT OPERATIONS IN THE SERVICE SECTOR Differences between Goods and Services Growth of Services Service Pay EXCITING NEW TRENDS IN OPERATIONS MANAGEMENT Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-3 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Outline - Continued THE PRODUCTIVITY CHALLENGE Productivity Measurement Productivity Variables Productivity and the Service Sector THE CHALLENGE OF SOCIAL RESPONSIBILITY Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-4 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Learning Objectives When you complete this chapter, you should be able to : Identify or Define: Production and productivity Operations Management (OM) What operations managers do Services Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-5 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Learning Objectives - Continued When you complete this chapter, you should be able to : Describe or Explain: A brief history of operations management Career opportunities in operations management The future of the discipline Measuring productivity Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-6 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Hard Rock Cafe First opened in 1971 Now – 110 restaurants in over 40 countries Rock music memorabilia Creates value in the form of good food and entertainment 3,500+ custom meals per day How does an item get on the menu? Role of the Operations Manager Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-7 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 What Is Operations Management? Production is the creation of goods and services Operations management is the set of activities that creates value in the form of goods and services by transforming inputs into outputs Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-8 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Organizing to Produce Goods and Services Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-9 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Organizing to Produce Goods and Services Essential functions: Marketing – generates demand Operations –creates the product Finance/accounting – tracks organizational performance, pays bills, collects money Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-10 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Organizational Functions Marketing Gets customers Operations creates product or service Finance/Accounting Obtains funds Tracks money © 1995 Corel Corp. Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-11 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Sample Organization Charts Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-12 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Functions - Bank Commercial Bank © 1984-1994 T/Maker Co. Marketing Teller Scheduling Finance/ Accounting Operations Transactions Check Clearing Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e Processing 1-13 Security © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Functions - Airline Airline Marketing Flight Operations © 1984-1994 T/Maker Co. Finance/ Accounting Operations Ground Support Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e Facility Maintenance 1-14 Catering © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Functions - Manufacturer Manufacturing Marketing Manufacturing Finance/ Accounting Operations Production Control Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e Quality Control 1-15 Purchasing © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Organizational Charts Commercial Bank Operations Teller Scheduling Check Clearing Transactions processing Facilities design/layout Vault operations Maintenance Security Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e Finance Investments Security Real Estate Accounting Auditing 1-16 Marketing Loans Commercial Industrial Financial Personal Mortgage Trust Department © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Organizational Charts Airline Operations Ground support equipment Maintenance Ground Operations Facility maintenance Catering Flight Operations Crew scheduling Flying Communications Dispatching Management science Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e Marketing Finance & Accounting Accounting Payables Receivables General Ledger Finance Cash control International exchange rates 1-17 Traffic administration Reservations Schedules Tariffs (pricing) Sales Advertising © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Organizational Charts Manufacturing Operations Facilities: Construction:maintenance Production & inventory control Scheduling: materials control Supply-chain management Manufacturing Tooling, fabrication,assembly Design Product development and design Detailed product specifications Industrial engineering Finance & Accounting Disbursements/credits Receivables Payables General ledger Funds Management Money market International exchange Capital requirements Stock issue Bond issues and recall Marketing Sales promotions Advertising Sales Market research Efficient use of machines, space, and personnel Process analysis Development and installation of production tools and equipment Transparency Masters to accompany Heizer/Render – 1-18 Principles of Operations Management, 5e, and Operations Management, 7e © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Why Study OM? Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-19 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Why Study OM? OM is one of three major functions (marketing, finance, and operations) of any organization. We want (and need) to know how goods and services are produced. We want to understand what operations managers do. OM is such a costly part of an organization. Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-20 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Options for Increasing Contribution Marketing Option Current Sales Cost of Goods Sold Gross Margin Finance Costs Net Margin Taxes @ 25% Contribution $100,000 Sales Revenue : +50% $150,000 -80,000 Finance & OM Option Accounting Option Finance Production Costs: -50% Costs: -20% $100,000 $100,000 -120,000 -80,000 -64,000 20,000 30,000 20,000 36,000 -6,000 -6,000 -3,000 -6,000 14,000 24,000 17,000 30,000 -3,500 -6,000 -4,250 -7,500 10,500 18,000 12,750 22,500 Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-21 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 What Operations Managers Do Plan - Organize - Staff - Lead - Control Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-22 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Ten Critical Decisions Service, product design…………….. Quality management………………… Process, capacity design………….. Location …………….………………… Layout design ……………………….. Human resources, job design…….. Supply-chain management………… Inventory management ……………. Scheduling …………………………… Maintenance …………………………. Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-23 Ch. 5 Ch. 6, 6S Ch. 7, 7S Ch. 8 Ch. 9 Ch. 10, 10S Ch. 11,11s Ch. 12, 14, 16 Ch. 3, 13, 15 Ch. 17 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Critical Decisions Quality management Who is responsible for quality? How do we define quality? Service and product design What product or service should we offer? How should we design these products and services? Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-24 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Critical Decisions - Continued Process and capacity design What processes will these products require and in what order? What equipment and technology is necessary for these processes? Location Where should we put the facility On what criteria should we base this location decision? Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-25 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Critical Decisions - Continued Layout design How should we arrange the facility? How large a facility is required? Human resources and job design How do we provide a reasonable work environment? How much can we expect our employees to produce? Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-26 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Critical Decisions - Continued Supply chain management Should we make or buy this item? Who are our good suppliers and how many should we have? Inventory, material requirements planning, How much inventory of each item should we have? When do we re-order? Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-27 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Critical Decisions - Continued Intermediate, short term, and project scheduling Is subcontracting production a good idea? Are we better off keeping people on the payroll during slowdowns? Maintenance Who is responsible for maintenance? When do we do maintenance? Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-28 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Where are the OM Jobs Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-29 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Where are the OM Jobs Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-30 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Where Are the OM Jobs? Technology/methods Facilities/space utilization Strategic issues Response time People/team development Customer service Quality Cost reduction Inventory reduction Productivity improvement Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-31 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Heritage of Operations Management Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-32 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Significant Events in Operations Management Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-33 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Heritage of Operations Management Division of labor (Adam Smith 1776 and Charles Babbage 1852) Standardized parts (Whitney 1800) Scientific Management (Taylor 1881) Coordinated assembly line (Ford/Sorenson/Avery 1913) Gantt charts (Gantt 1916) Motion study (Frank and Lillian Gilbreth 1922 Quality control (Shewhart 1924; Deming 1950) Computer (Atanasoff 1938) CPM/PERT (DuPont 1957) Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-34 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Heritage of Operations Management - Continued Material requirements planning (Orlicky 1960) Computer aided design (CAD 1970) Flexible manufacturing system (FMS 1975) Baldrige Quality Awards (1980) Computer integrated manufacturing (1990) Globalization(1992) Internet (1995) Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-35 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Eli Whitney Born 1765; died 1825 In 1798, received government contract to make 10,000 muskets Showed that machine tools could make standardized parts to exact specifications Musket parts could be used in any musket © 1995 Corel Corp. Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-36 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Frederick W. Taylor Born 1856; died 1915 Known as ‘father of scientific management’ In 1881, as chief engineer for Midvale Steel, studied how tasks were done Began first motion & time studies Created efficiency principles © 1995 Corel Corp. Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-37 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Taylor: Management Should Take More Responsibility for Matching employees to right job Providing the proper training Providing proper work methods and tools Establishing legitimate incentives for work to be accomplished Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-38 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Frank & Lillian Gilbreth Frank (1868-1924); Lillian (1878-1972) Husband-and-wife engineering team Further developed work measurement methods Applied efficiency methods to their home & 12 children! (Book & Movie: “Cheaper by the Dozen,” book: “Bells on Their Toes”) Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-39 © 1995 Corel Corp. © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Henry Ford Born 1863; died 1947 In 1903, created Ford Motor Company In 1913, first used moving assembly line to make Model T ‘Make them all alike!’ Unfinished product moved by conveyor past work station © 1995 Corel Corp. Paid workers very well for 1911 ($5/day!) Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-40 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 W. Edwards Deming Born 1900; died 1993 Engineer & physicist Credited with teaching Japan quality control methods in post-WW2 Used statistics to analyze process His methods involve workers in decisions Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-41 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Contributions From Human factors Industrial engineering Management science Biological science Physical sciences Information science Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-42 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Significant Events in OM Division of labor (Smith, 1776) Standardized parts (Whitney, 1800) Scientific management (Taylor, 1881) Coordinated assembly line (Ford 1913) Gantt charts (Gantt, 1916) Motion study (the Gilbreths, 1922) Quality control (Shewhart, 1924) Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-43 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Significant Events - Continued CPM/PERT (Dupont, 1957) MRP (Orlicky, 1960) CAD Flexible manufacturing systems (FMS) Manufacturing automation protocol (MAP) Computer integrated manufacturing (CIM) Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-44 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 New Challenges in OM From Local or national focus Batch shipments Low bid purchasing To Global focus Just-in-time Supply chain partnering Lengthy product development Rapid product development, alliances Standard products Job specialization Mass customization Empowered employees, teams Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-45 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Operations in the Service Sector Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-46 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Characteristics of Goods Tangible product Consistent product definition Production usually separate from consumption Can be inventoried Low customer interaction Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e © 1995 Corel Corp. 1-47 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Characteristics of Service © 1995 Corel Corp. Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e Intangible product Produced & consumed at same time Often unique High customer interaction Inconsistent product definition Often knowledge-based Frequently dispersed 1-48 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Service Economies Proportion of Employment in the Service Sector Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-49 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Goods Versus Services Goods Can be resold Can be inventoried Service Reselling unusual Difficult to inventory Quality difficult to measure Selling is part of service Some aspects of quality measurable Selling is distinct from production Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-50 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Goods Versus Services Continued Goods Service Product is transportable Site of facility important for cost Provider, not product is transportable Site of facility important for customer contact Often difficult to automate Revenue generated primarily from intangible service. Often easy to automate Revenue generated primarily from tangible product Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-51 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Goods Contain Services / Services Contain Goods Automobile Computer Installed Carpeting Fast-food Meal Restaurant Meal Auto Repair Hospital Care Advertising Agency Investment Management Consulting Service Counseling 100 75 50 25 Percent of Product that is a Good Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 0 1-52 25 50 75 100 Percent of Product that is a Service © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Organizations in Each Sector – Table 1.4 Service Sector Example % of all Jobs Professional services, education, legal, medical New York City PS108, Notre Dame University, San Diego Zoo 24.3 Trade (retail, wholesale) Walgreen’s, Wal-Mart, Nordstroms 20.6 Utilities, transportation Pacific Gas & Electric, American Airlines, Santa Fe R.R, Roadway Express 7.2 Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-53 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Organizations in Each Sector – Table 1.4 Service Sector Example % of all Jobs Business & Repair Services Snelling & Snelling, Waste Management, Pitney-Bowes 7.1 Finance, Insurance, Real Estate Citicorp, American Express, Prudential, Aetna, Trammel Crow 6.5 Food, Lodging, Entertainment McDonald’s, Hard Rock Café, Motel 6, Hilton Hotels, Walt Disney Paramount Pictures 5.2 Public Administration U.S., State of Alabama, Cook County Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-54 4.5 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Organizations in Each Sector – Table 1.4 Manufacturing Sector Example General General Electric, Ford, U.S. Steel, Intel 14.8 Construction Bechtel, McDermott 7.0 Agriculture King Ranch 2.4 Mining Homestake Mining 0.4 Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-55 % of all Jobs © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Organizations in Each Sector – Table 1.4 Summary Sector % of all Jobs Service 75.4% Manufacturing 24.6% Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-56 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Development of the Service Economy U.S. Employment, % Share 80 United States %70 60 Services 50 40 Canada 250 France 200 Italy 150 Industry 30 Britain 20 Japan 10 U.S. Exports of Services In Billions of Dollars Services as a Percent of GDP Farming 0 1850 75 1900 25 50 75 2000 100 50 W Germany 1970 2000 40 50 60 70 Percent 0 1970 75 80 85 90 95 2000 Year 2000 data is estimated Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-57 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Exciting New Challenges in Operations Management Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-58 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Changing Challenges for the Operations Manager Past Causes Local or national focus Batch (large) shipments Low-cost, reliable worldwide communication and transportation networks Cost of capital puts pressure on reducing investment in inventory Quality emphasis requires that suppliers be engaged in product improvement Shorter life cycles, rapid international communication, computer-aided design, and international collaboration Low-bid purchasing Lengthy product development Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-59 Future Global Focus Just-in-time shipments Supply-chain partners Rapid product development, alliances, collaborative designs © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Changing Challenges for the Operations Manager Past Standardized products Job specialization Low cost focus Causes Future Affluence and worldwide markets; increasingly flexible production processes Changing sociocultural milieu. Increasingly a knowledge and information society. Environmental issues, ISO 14000, increasing disposal costs Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-60 Mass customization Empowered employees, teams, and lean production Environmentally sensitive production, Green manufacturing, recycled materials, remanufacturing © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Productivity Challenge Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-61 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Economic System Transforms Inputs to Outputs Inputs Land, Labor, Capital, Management Process Outputs The economic system transforms inputs to outputs at about an annual 2.5% increase in productivity (capital 38% of 2.5%), labor (10% of 2.5%), management (52% of 2.5%) Goods and Services Feedback loop Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-62 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Typical Impact of Quality Improvement As productivity improved Costs were pared Wages increased Cost per unit decreased Parts per man hour Average worker's annual cash compensation increased $2.25 115 110 27000 $2.00 105 26000 $1.75 100 95 25000 24000 $1.50 Year A Year B Year C Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e Year A Year B 1-63 Year C Year A Year B Year C © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Productivity Measure of process improvement Represents output relative to input Productivity Units produced = Input used Only through productivity increases can our standard of living improve Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-64 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Multi-Product Productivity Productivity = Output Labor + material + energy + capital + miscellaneous Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-65 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Measurement Problems Quality may change while the quantity of inputs and outputs remains constant External elements may cause an increase or decrease in productivity Precise units of measure may be lacking Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-66 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Productivity Variables Labor - contributes about 10% of the annual increase Capital - contributes about 32% of the annual increase Management - contributes about 52% of the annual increase Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-67 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Key Variables for Improved Labor Productivity Basic education appropriate for the labor force Diet of the labor force Social overhead that makes labor available Maintaining and enhancing skills in the midst of rapidly changing technology and knowledge Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-68 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Jobs in the U.S 6% 5% Education, Health, etc. 5% Manufacturing 3% 1% 6% Retail Trade State & Local Gov't 14% Finance, Insurance 26% Wholesale Trade Transport, Public Util. 16% Construction Federal Government 18% Mining Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-69 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Comparison of Productivity Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-70 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Investment and Productivity in Selected Nations Percent increase in productivity (Mfg) 10 U.S. U.K. 8 Canada Italy 6 Belgium France 4 Netherlands 2 Japan Best fit 0 10 15 20 25 30 35 Nonresidential fixed investment to GNP (%) Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-71 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 Service Productivity Typically labor intensive Frequently individually processed Often an intellectual task performed by professionals Often difficult to mechanize Often difficult to evaluate for quality Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-72 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458 The Challenge of Social Responsibility Increasing emphasis on business and social responsibility Transparency Masters to accompany Heizer/Render – Principles of Operations Management, 5e, and Operations Management, 7e 1-73 © 2004 by Prentice Hall, Inc., Upper Saddle River, N.J. 07458