Samuelson - Managerial Economics 7e

Page 30

Six Steps to Decision Making

Decisions do not occur in a vacuum. Many come about as part of the firm’s planning process. Others are prompted by new opportunities or new problems. It is natural to ask, what brought about the need for the decision? What is the decision all about? In each of the examples given earlier, the decision problem is stated and is reasonably well defined. In practice, however, managerial decisions do not come so neatly packaged; rather, they are messy and poorly defined. Thus, problem definition is a prerequisite for problem management. In fact, the decision in the fourth example—the conversion of utilities to coal— raises interesting issues concerning problem definition. How narrowly does one define the problem? Is the crux of the problem minimizing pollution from utilities? Presumably cost is also important. Thus, the problem involves determining how much pollution to clean up, by what means, and at what cost. Or is the problem much broader: reducing U.S. dependence on foreign energy sources? If so, which domestic energy initiatives (besides or instead of utility conversion to coal) should be undertaken? A key part of problem definition involves identifying the context. The majority of the decisions we study take place in the private sector. Managers representing their respective firms are responsible for the decisions made in five of the examples. By contrast, the third and fourth examples occur in the public sector, where decisions are made at all levels of government: local, state, and national. The recommendation concerning construction of a new bridge is made by a city agency and must be approved by the state government. Similarly, the chain of decisions accompanying the conversion of utilities from oil to coal involves a surprising number of public-sector authorities, including the Department of Energy, the Environmental Protection Agency, state and local agencies, the Department of the Interior, and possibly the Nuclear Regulatory Commission. As one might imagine, the larger the number of bodies that share policy responsibility and the pursuit of different goals, the greater is the likelihood that decision-making problems and conflicts will occur.

Step 2: Determine the Objective What is the decision maker’s goal? How should the decision maker value outcomes with respect to this goal? What if he or she is pursuing multiple, conflicting objectives? When it comes to economic decisions, it is a truism that “you can’t always get what you want.”2 But to make any progress at all in your choice, you have to know what you want. In most private-sector decisions, profit is the principal 2

Many readers will recognize this quote as a lyric penned by Mick Jagger of the Rolling Stones. What many may not know is that Jagger briefly attended the London School of Economics before pursuing the path to rock stardom.

7


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Bargaining

1min
page 439

Market Entry

4min
pages 437-438

Equilibrium Strategies

18min
pages 428-436

Strategic Commitments

4min
pages 399-400

Price Rigidity and Kinked Demand

3min
pages 389-390

Price Wars and the Prisoner’s Dilemma

17min
pages 391-398

Competition among Symmetric Firms

5min
pages 386-388

Concentration and Prices

6min
pages 381-383

Industry Concentration

8min
pages 376-380

Natural Monopolies

32min
pages 355-371

Five-Forces Framework

3min
pages 374-375

Barriers to Entry

14min
pages 345-351

Cartels

6min
pages 352-354

Tariffs and Quotas

22min
pages 329-341

Private Markets: Benefits and Costs

21min
pages 319-328

Decisions of the Competitive Firm

4min
pages 312-314

Multiple Products

37min
pages 282-303

Shifts in Demand and Supply

2min
pages 310-311

Market Equilibrium

8min
pages 315-318

Economies of Scope

6min
pages 275-277

Returns to Scale

8min
pages 270-274

A Single Product

3min
pages 278-279

The Shut-Down Rule

3min
pages 280-281

Short-Run Costs

8min
pages 260-264

Long-Run Costs

10min
pages 265-269

Profit Maximization with Limited Capacity: Ordering a Best Seller

6min
pages 257-259

Fixed and Sunk Costs

7min
pages 254-256

Opportunity Costs and Economic Profits

8min
pages 250-253

Multiple Plants

1min
page 234

Returns to Scale

4min
pages 221-222

Estimating Production Functions

1min
page 233

Forecasting Performance

5min
pages 186-188

Optimal Use of an Input

4min
pages 219-220

Barometric Models

2min
page 185

Fitting a Simple Trend

14min
pages 176-184

Interpreting Regression Statistics

10min
pages 164-168

Potential Problems in Regression

8min
pages 169-173

Time-Series Models

2min
pages 174-175

Uncontrolled Market Data

2min
page 155

Price Discrimination

9min
pages 122-125

Consumer Surveys

4min
pages 152-153

Optimal Markup Pricing

8min
pages 118-121

Controlled Market Studies

2min
page 154

Other Elasticities

4min
pages 111-112

Maximizing Revenue

1min
page 117

General Determinants of Demand

2min
page 105

The Demand Function

4min
pages 101-102

Step 6: Perform Sensitivity Analysis

9min
pages 35-38

The Aim of This Book

10min
pages 43-47

Public Decisions

8min
pages 39-42

Step 2: Determine the Objective

4min
pages 30-31

Step 3: Explore the Alternatives

2min
page 32

Step 4: Predict the Consequences

2min
page 33

Marginal Revenue

1min
page 67

Step 5: Make a Choice

2min
page 34
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