McGraw-Hill/Irwin Copyright © 2007 by The McGraw-Hill Companies, Inc. All rights reserved. 1 Introduction to Operations Management
1-2 Learning Objectives Define the term operations management Identify the three major functional areas of organizations and describe how they interrelate Compare and contrast service and manufacturing operations Describe the operations function and the nature of the operations manager’s job
1-3 Learning Objectives Differentiate between design and operation of production systems Describe the key aspects of operations management decision making Briefly describe the historical evolution of operations management Identify current trends that impact operations management
1-4 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
1-5 The Organization The Three Basic Functions Organization Finance Operations Marketing Figure 1.1 Product Development
1-6 Value-Added Process The operations function involves the conversion of inputs into outputs Inputs Land Labor Capital Transformation/ Conversion process Outputs Goods Services Control Feedback Value added Figure 1.2
1-7 Automobile assembly, steel making Home remodeling, retail sales Automobile Repair, fast food Goods-service Continuum Figure 1.3 Computer repair, restaurant meal Song writing, software development GoodsService Surgery, teaching
1-8 Operations Example Food Processor InputsProcessing Outputs Raw VegetablesCleaning Canned vegetables Metal SheetsMaking cans WaterCutting EnergyCooking LaborPacking BuildingLabeling Equipment Table 1.2
1-9 Operations Example Hospital Process InputsProcessingOutputs Doctors, nursesExaminationHealthy patients HospitalSurgery Medical SuppliesMonitoring EquipmentMedication LaboratoriesTherapy Table 1.2
1-10 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
1-11 Goods vs Service CharacteristicGoodsService Customer contactLowHigh Uniformity of inputHighLow Labor contentLowHigh Uniformity of outputHighLow OutputTangibleIntangible Measurement of productivityEasyDifficult Opportunity to correct problemsHighLow InventoryMuchLittle EvaluationEasierDifficult PatentableUsuallyNot usual
1-12 Operations Management includes: Forecasting Capacity planning Scheduling Managing inventories Assuring quality Motivating employees Deciding where to locate facilities Supply chain management And more... Scope of Operations Management
1-13 Types of Operations Table 1.4 OperationsExamples Goods ProducingFarming, mining, construction, manufacturing, power generation Storage/TransportationWarehousing, trucking, mail service, moving, taxis, buses, hotels, airlines ExchangeRetailing, wholesaling, banking, renting, leasing, library, loans EntertainmentFilms, radio and television, concerts, recording CommunicationNewspapers, radio and television newscasts, telephone, satellites
1-14 Figure 1.4
1-15 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
1-16 Why Manufacturing Matters Over 18 million workers in manufacturing jobs Accounts for over 70% of value of U.S. exports Average full-time compensation about 20% higher than average of all workers Manufacturing workers more likely to have benefits
1-17 Why Manufacturing Matters More than half of the total R&D performed is in the manufacturing industries Manufacturing workers in California earn an average of about $25,000 more a year than service workers When a California manufacturing job is lost, an average of 2.5 service jobs are lost
1-18 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
1-19 Key Decisions of Operations Managers What What resources/what amounts When Needed/scheduled/ordered Where Work to be done How Designed Who To do the work
1-20 Decision Making System Design – capacity – location – arrangement of departments – product and service planning – acquisition and placement of equipment
1-21 Decision Making System operation – personnel – inventory – scheduling – project management – quality assurance
1-22 Models: Decision Making Tools A model is an abstraction of reality. – Physical – Schematic – Mathematical What are the pros and cons of models? Tradeoffs
1-23 Ethical Issues Financial statements Worker safety Product safety Quality Environment Community Hiring/firing workers Closing facilities Worker’s rights
1-24 Historical Evolution of Operations Management Industrial revolution (1770’s) Scientific management (1911) Mass production Interchangeable parts Division of labor Human relations movement ( ) Decision models (1915, ’s) Influence of Japanese manufacturers Table 1.7
1-25 Trends in Business Major trends The Internet, e-commerce, e-business Management technology Globalization Management of supply chains Outsourcing Agility Ethical behavior
1-26 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
1-27 Other Important Trends Ethical behavior Operations strategy Working with fewer resources Revenue management Process analysis and improvement Increased regulation and product liability Lean production
1-28 Management Occupations top top Wage Estimates Occupati on Cod e Occupation Title (click on the occupation title to view an occupational profile) Employmen t (1)(1) Median Ho url y Mean Ho urly Mean Annu al (2) (2) Mean R S E ( 3 ) ( 3 ) Management Occupations5,960,560$37.32$42.52$88, % General and Operations Managers1,663,810$39.17$45.90$95, % Industrial Production Managers153,950$36.34$39.41$81, % Purchasing Managers69,300$36.67$39.16$81, % Transportation, Storage, and Distribution Managers 84,870$33.23$36.12$75, % Engineering Managers187,410$48.44$50.71$105, % Managers, All Other340,720$38.06$40.16$83, % Bureau of Labor Management