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OPSM 301 Operations Management Spring 2012 Class 1: Introduction
Evrim Didem Güneş
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Administrative Details: Methods
The textbook for this course is Managing Business Process Flows: Principles of Operations Management Second Edition (Prentice Hall), by Anupindi, Chopra, Desmukh,van Mieghem, Zemel Course website: Lectures: Readings from the book, Case discussions Slides and supplementary material on the web site Cases in Xerox center Study Questions and office hours Grading: Participation % Quizzes % (~4) Assignments % (~5) Midterm % Final(comprehensive) %
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The Team My Office Hours: Tuesday-Thursday 15.30-16.30
Teaching Assistants: Yahya Yavuz, Doğuş Özkök, Duygu Korkmaz, Celal Özgür Ünsal
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Administrative Details: Classroom Conduct
Expectations: Attendance:will count for participation grade Participation in discussions- Ask questions Being fair: Anything that disturbs the class is unacceptable (making noise, arriving late, using cell phones etc.) Academic honesty Check the website regularly Adhering to the deadlines Read the syllabus!
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What is the OPSM 301 course about?
The role of the operations function may be defined as the design, operation, and improvement of the production system that creates the firm’s primary products and services We will study how organizations “actually do things”
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Organizing to Produce Goods and Services
Essential functions: Marketing – generates demand Operations – creates the product Finance/accounting – tracks organizational performance, pays bills, collects money
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Operations as a Competitive Weapon
Dell Computers Innovative Supply Chain Strategy (direct model) Southwest Airlines Leader in lowfare flights, by elimination of all waste Zara Can deliver new styles in 3-6 weeks (compared to 5-12 months for competitors) Pegasus Airlines Low fare flights in Turkey
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Supply Chain of a Typical Original Equipment Manufacturer
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Management Decisions Strategic (long-term) decisions
Tactical (intermediate-term) decisions Operational planning and control (short-term) decisions
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Course Outline Introduction to Processes & Operations Strategy
Process Analysis Linear Programming Inventory Management Managing Variability Supply Chain Management Project Management
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A Process Management Perspective
We all manage processes... Process Management Information structure Network of Activities and Buffers Inputs Outputs Flow units (customers, data, material, cash, etc.) Goods Services Labor & Capital Resources
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Process Management A business process is a network of activities performed by resources that transforms inputs into outputs… Process Management is a set of managerial policies specifying how a process should be operated over time...
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What defines a “good process”? Delivered value
Delivered value of process = benefit to process customers – total process cost Benefit driven by customer value Purpose: Defining strategic position Text: Question: What can we do? If you have to give guidelines to people making operational decisions, how do we get around this? Ultimately, what we care about are the financial measures. What is going to lead to good financial performance? It’s going to depend on what I am offering in the marketplace in terms of how fast the service is, how much does it cost, what kind of variety do I offer. What is going to lead to good financial performance? If you have a good strategic position and you execute it well. Once you start thinking about what’s a good strategic position, you can start to think what dimensions matter. In a broader sense, financial measures track the difference between the value provided to the customers and the cost of producing and delivering the product. The goal of every organization is to maximize the difference. For profit-maximizing firms, the key financial measure is profit. For non-profit organization, the key financial measure is the value provided to its clients given a budget constraint. To improve its financial performance a firm must attract and retain customers by providing goods and services that meet or exceeds their expectations. This is how we are going to think about strategic position. We will think about strategic position in the fairly simplistic way. If we concentrate of the benefits to the customer, these are driven by the strategic position in terms of : Price (southwest), Quality (Toyota, very low number of problems), Time (FedeX, Apple with ipods, on time performance), Variety (AA – broad network, GM). Comment- why do we equate the benefits to process customers with revenues – a reasonable estimate of the product value is the price that a specific customer is willing to pay. Variety V (flexibility) Quality Q: of product or outcome of service Time T: Rapid, reliable delivery New product development Price p (Cost) 13 G. Allon/Operations/Strategy
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Products Products are the desired set of process outputs Product Types
Goods versus Services Product Attributes Cost Delivery response time Variety Quality
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Inputs-Outputs Tangible Inputs Intangible Inputs Tangible Outputs
People Raw material Intangible Inputs Information Time Tangible Outputs Buildings Cars Intangible Outputs Outgoing patient (hospital) Delivered message (advertising company)
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Transformations Physical--manufacturing Locational--transportation
Exchange--retailing Storage--warehousing Physiological--health care Informational--telecommunications
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All Managers are Ops Managers!
All managers must transform inputs into outputs Example: Accounting Manager Inputs: data, information Transformation: application of accounting principles and knowledge Outputs: accounting reports, knowledge of performance, ... Therefore, all managers are in some sense Operations managers All managers have an “operation” to run
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Characteristics of Goods
Tangible product Consistent product definition Production usually separate from consumption Can be inventoried Low customer interaction © 1995 Corel Corp.
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Characteristics of Service
Intangible product Produced & consumed at same time Often unique High customer interaction Inconsistent product definition Often knowledge-based Frequently dispersed © 1995 Corel Corp.
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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 25 50 75 100 Percent of Product that is a Good Percent of Product that is a Service
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Development of the Service Economy
Percent United States Canada France Italy Britain Japan W Germany 1970 2000 Services Industry Farming 250 200 150 100 50 80 %70 60 40 30 20 10 U.S. Employment, % Share Services as a Percent of GDP U.S. Exports of Services In Billions of Dollars Year 2000 data is estimated
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Productivity Units produced Productivity = Input used
Measure of process improvement Represents output relative to input Only through productivity increases can our standard of living improve Productivity Units produced Input used = You might also ask them to consider what happens as the rate of productivity improvement approaches zero. Does this simply mean that the standard of living ceases to rise, or are there more ominous manifestations?
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Multi-Product (Total Factor) Productivity
Output Productivity = Labor + Material + Energy + Capital + Miscellaneous
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Example 1 Mis Halı cleaned 65 rugs in October, consuming the following resources: Labor: 520 hours at 13 TL per hour Solvent: 100 liters at 5 TL per liter Machine Rental: 20 days at 50 TL per day a. What is the labor productivity per TL? (0.0096) b. What is the total factor productivity? (0.0079) c. In November, they cleaned 100 rugs with 550 hours of labor. Did productivity increase or decrease in November?
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Example 2 Because of its excellent location and products, a bakery in Sariyer experienced a 25% increase in demand in the last year. Customers are unable to find the product of their choice on many occasions. Space limitations preclude the possibility of adding another oven. A new process is proposed by an employee which allows several loaves to be baked simultaneously, however requires additional manpower. If the bakery made 1500 loaves this time last year with a labor productivity of loaves per labor hour, how many workers will the bakery need to add, assuming each worker works 160 hours per month. (1 worker)
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Significant Events in Operations Management
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Next Time Read chapter 1-2 We will discuss strategic fit in operations
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