Essential Demographic Methods

Essential Demographic Methods

by Kenneth W. Wachter
Essential Demographic Methods

Essential Demographic Methods

by Kenneth W. Wachter

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Overview

Essential Demographic Methods brings to readers the full range of ideas and skills of demographic analysis that lie at the core of social sciences and public health. Classroom tested over many years, filled with fresh data and examples, this approachable text is tailored to the needs of beginners, advanced students, and researchers alike. An award-winning teacher and eminent demographer, Kenneth Wachter uses themes from the individual lifecourse, history, and global change to convey the meaning of concepts such as exponential growth, cohorts and periods, lifetables, population projection, proportional hazards, parity, marity, migration flows, and stable populations. The presentation is carefully paced and accessible to readers with knowledge of high-school algebra. Each chapter contains original problem sets and worked examples.

From the most basic concepts and measures to developments in spatial demography and hazard modeling at the research frontier, Essential Demographic Methods brings out the wider appeal of demography in its connections across the sciences and humanities. It is a lively, compact guide for understanding quantitative population analysis in the social and biological world.


Product Details

ISBN-13: 9780674045576
Publisher: Harvard University Press
Publication date: 06/23/2014
Pages: 312
Product dimensions: 6.20(w) x 9.30(h) x 1.20(d)

About the Author

Kenneth W. Wachter is Professor of Demography and Statistics at the University of California, Berkeley.

Table of Contents

List of Figures and Tables xi

Preface xv

Introduction: Why Study Demography? 1

1 Exponential Growth 5

1.1 The Balancing Equation 5

1.2 The Growth Rate R 9

1.3 The Exponential Curve 14

1.4 Models and Parameters 16

*1.5 Taylor Series 19

*1.6 Logistic Growth 22

1.7 Doubling Times 24

2 Periods and Cohorts 30

2.1 Lexis Diagrams 30

2.2 Period Person-Years Lived 33

2.3 The Crude Rate Model 35

2.4 The Infant Mortality Rate 37

*2.5 Person-Years and Areas 39

2.6 Cohort Person-Years Lived 41

2.7 The Stationary Population Identity 44

3 Cohort Mortality 48

3.1 Cohort Survival by Analogy 48

3.2 Probabilities of Dying 52

3.3 Columns of the Cohort Life Table 54

3.3.1 King Edward's Children 54

3.3.2 From nLx to ex 59

3.3.3 The Radix 61

*3.4 Hazards and Survivors 63

*3.5 Gompertz Hazards 65

3.6 Annuities and Insurance 71

3.7 Mortality of the 1300s and 2000s 74

4 Cohort Fertility 79

4.1 Generational Renewal 79

4.2 Age-Specific Fertility 83

4.3 ASFRs and the NRR 84

4.4 Cohort Parity 86

4.5 Natural Fertility 89

5 Population Projection 98

5.1 Transition Matrices 98

5.2 Structural Zeros 101

5.3 The Leslie Matrix Subdiagonal 103

*5.4 The Leslie Matrix First Row 106

5.5 Projecting Fillies, Mares, Seniors 110

*5.6 Multi-State Tables 114

*5.7 Population Renewal 116

*5.8 Variable r and the Lexis Surface 119

6 Period Fertility 125

6.1 Period Measures 125

6.2 Period Age-Specific Fertility 128

6.3 Period NRR, GRR, and TFR 130

*6.4 Log(GRR) Plots 133

6.5 Age-Standardized Rates 136

*6.6 Tempo and Quantum 138

6.7 Princeton Indices 141

6.8 Coale and Trussell's M and m 145

7 Period Mortality 153

7.1 Period Lifetables 153

7.2 Gaps and Lags 157

7.3 The 1660s and Laws of Mortality 150

7.4 Graunt's Model Lifetable 162

7.5 Coale-Demeny Model Lifetables 164

7.6 Brass Relational Logit Models 165

*7.7 Lee-Carter Models 369

8 Heterogeneous Risks 174

8.1 Fleterogeneity 174

8.2 Multiple Decrements 175

*8.3 Competing Risks 179

*8.4 Calculations with Hazards 181

*8.5 Lifeluck, Risk, and Frailty 185

*8.6 Proportional Hazards 187

*8.7 Cox Regression Estimation 191

*8.8 Frailty Models 194

9 Marriage and Family 201

9.1 The Complexity of Marriage 201

9.2 First Marriage by Analogy 203

9.3 The SMAFM 206

*9.4 The Singulate Mean Formula 209

9.5 Marity 212

10 Stable Age Structures 218

10.1 Age Pyramids 218

10.2 Stationary Equivalent Populations 221

10.3 Consequences of Unchanging Rates 224

10.4 Stable Age Pyramids 229

10.5 The Many Faces of Lotka's r 233

*10.6 The Euler-Lotka Equation 235

*10.7 Life Left in Stable Populations 241

10.8 Population Momentum 243

11 Migration and Location 250

11.1 Spatial Demography 250

11.2 Flows of People 251

11.3 Concentrations 256

*11.4 Random Walks 262

11.5 GIS and Cartograms 265

Conclusion 271

Appendix A Sources and Notes 273

Appendix B Useful Formulas 275

Bibliography 279

Index 285

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