Solution Manual for Analysis of Economic Data, 4th Edition, Gary Koop, ISBN: 978-1-118-47253-8, ISBN-10: 1118472535, ISBN-13: 9781118472538

Downloadable Solution Manual for Analysis of Economic Data, 4th Edition, Gary Koop, ISBN: 978-1-118-47253-8, ISBN-10: 1118472535, ISBN-13: 9781118472538

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Table of Contents

Chapter 1 Introduction 1

Organization of the Book 3

Useful Background 4

Appendix 1.1: Mathematical Concepts Used in this Book 4

Endnote 7

References 7

Chapter 2 Basic Data Handling 8

Types of Economic Data 8

Obtaining Data 13

Working with Data: Graphical Methods 15

Working with Data: Descriptive Statistics 20

Appendix 2.1: Index Numbers 23

Appendix 2.2: Advanced Descriptive Statistics 28

Appendix 2.3: Expected Values and Variances 30

Endnotes 32

Chapter 3 Correlation 34

Understanding Correlation 34

Understanding Why Variables Are Correlated 38

Understanding Correlation Through XY-Plots 41

Correlation Between Several Variables 45

Appendix 3.1: Mathematical Details 46

Endnotes 46

Chapter 4 Introduction to Simple Regression 48

Regression as a Best Fitting Line 48

Interpreting OLS Estimates 53

Fitted Values and R2: Measuring the Fit of a Regression Model 56

Nonlinearity in Regression 60

Appendix 4.1: Mathematical Details 64

Endnotes 66

Chapter 5 Statistical Aspects of Regression 67

Which Factors Affect the Accuracy of the Estimate ߈ ? 68

Calculating a Confidence Interval for ß 72

Testing whether ß = 0 78

Hypothesis Testing Involving R2: The F-Statistic 82

Appendix 5.1: Using Statistical Tables to Test Whether ß = 0 85

Endnotes 87

References 88

Chapter 6 Multiple Regression 89

Regression as a Best Fitting Line 91

OLS Estimation of the Multiple Regression Model 91

Statistical Aspects of Multiple Regression 91

Interpreting OLS Estimates 92

Pitfalls of Using Simple Regression in a Multiple Regression Context 95

Omitted Variables Bias 97

Multicollinearity 99

Appendix 6.1: Mathematical Interpretation of Regression Coefficients 105

Endnotes 105

Chapter 7 Regression with Dummy Variables 107

Simple Regression with a Dummy Variable 109

Multiple Regression with Dummy Variables 110

Multiple Regression with Dummy and Non-dummy Explanatory Variables 113

Interacting Dummy and Non-dummy Variables 116

Chapter 8 Qualitative Choice Models 119

The Economics of Choice 120

Choice Probabilities and the Logit and Probit Models 121

Appendix 8.1: Choice Probabilities in the Logit Model 128

References 130

Chapter 9 Regression with Time Lags: Distributed Lag Models 131

Lagged Variables 133

Notation 135

Selection of Lag Order 138

Appendix 9.1: Other Distributed Lag Models 141

Endnotes 143

Chapter 10 Univariate Time Series Analysis 144

The Autocorrelation Function 147

The Autoregressive Model for Univariate Time Series 151

Nonstationary versus Stationary Time Series 154

Extensions of the AR(1) Model 156

Testing in the AR(p) with Deterministic Trend Model 161

Appendix 10.1: Mathematical Intuition for the AR(1) Model 166

Endnotes 167

References 168

Chapter 11 Regression with Time Series Variables 169

Time Series Regression when X and Y Are Stationary 170

Time Series Regression when Y and X Have Unit Roots: Spurious Regression 174

Time Series Regression when Y and X Have Unit Roots: Cointegration 174

Estimation and Testing with Cointegrated Variables 177

Time Series Regression when Y and X Are Cointegrated: The Error Correction Model 181

Time Series Regression when Y and X Have Unit Roots but Are Not Cointegrated 184

Endnotes 187

Chapter 12 Applications of Time Series Methods in Macroeconomics and Finance 189

Financial Volatility 190

Autoregressive Conditional Heteroskedasticity (ARCH) 196

Granger Causality 200

Vector Autoregressions 206

Appendix 12.1: Hypothesis Tests Involving More than One Coefficient 221

Endnotes 225

Reference 226

Chapter 13 Limitations and Extensions 227

Problems that Occur when the Dependent Variable Has Particular Forms 228

Problems that Occur when the Errors Have Particular Forms 229

Problems that Call for the Use of Multiple Equation Models 231

Endnotes 236

Appendix A Writing an Empirical Project 237

Description of a Typical Empirical Project 237

General Considerations 239

Project Topics 240

References 244

Appendix B Data Directory 246

Author Index 249

Subject Index 250