27Chapter 1Poverty Measurement and AnalysisAline Coudouel, Jesko S. Hentschel, and Quentin T. Wodon1.1 Introduction.................................................................................................................................................. 291.2 Poverty Measurement and Analysis ......................................................................................................... 291.2.1 Poverty concept and measurement ................................................................................................... 301.2.2 Poverty analysis ................................................................................................................................... 351.3 Inequality Measurement and Analysis ..................................................................................................... 461.3.1 Inequality concept and measurement ............................................................................................... 471.3.2 Inequality analysis ............................................................................................................................... 491.3.3 Inequality, growth, and poverty........................................................................................................ 511.4 Vulnerability Measurement and Analysis................................................................................................ 541.4.1 Vulnerability concept and measurement.......................................................................................... 541.4.2 Vulnerability analysis.......................................................................................................................... 581.5 Data................................................................................................................................................................ 611.5.1 Types of data ........................................................................................................................................ 611.5.2 Household surveys.............................................................................................................................. 631.5.3 Qualitative data.................................................................................................................................... 661.6 Conclusion .................................................................................................................................................... 69Guide to Web Resources......................................................................................................................................... 70Bibliography and References.................................................................................................................................. 70Tables1.1. Poverty Groups by Socioeconomic Groups (Madagascar 1994)............................................................ 361.2. Some Characteristics of the Poor in Ecuador (1994)................................................................................ 371.3. Socioeconomic Differences in Health (Senegal 1997) .............................................................................. 371.4. Poverty Incidence Among Various Household Groups in Malawi (1997/98) .................................... 381.5. Geographic Poverty Profile for Bangladesh (1995–96) and Madagascar (1994) .................................. 391.6. Poverty Risks for Selected Groups of Households (Peru 1994 and 1997)............................................. 431.7. Sectoral Decomposition of Changes in Poverty (Uganda 1992/93–1995/96)...................................... 431.8. Determinants of Household Spending Levels in Côte d’Ivoire ............................................................. 451.9. Decomposition of Income Inequality in Rural Egypt (1997) .................................................................. 491.10. Within-Group Inequality and Contribution to Overall Inequality by Locality (Ghana).................... 501.11. Peru: Expected Change in Income Inequality Resulting from 1 Percent Change inIncome Source (1997) ................................................................................................................................... 511.12. Poverty, Inequality, and Growth in Tanzania.......................................................................................... 521.13. Poverty, Inequality, and Growth in Peru.................................................................................................. 531.14. Decomposition of Changes in Poverty in Rural Tanzania (1983–91) .................................................... 541.15. Movements In and Out of Poverty in Rural Ethiopia ............................................................................. 561.16. Transition Matrices in Rural Rwanda (1983)............................................................................................ 561.17. Entry and Exit Probabilities (Rural Pakistan, 1986–91)........................................................................... 571.18. Classification of Households in Rural China, 1985–90............................................................................ 571.19. Poverty Type and Income Variation in Rural Pakistan (1986–91)......................................................... 581.20. Estimates of Conditional Mean and Conditional Variance of Consumption Duringthe Hunger Season (Northern Mali), 1997/98.......................................................................................... 601.21. Consumption Change Regression in Peru (1994–97) .............................................................................. 611.22. Data Types and Agencies............................................................................................................................ 621.23. Household Survey Types ............................................................................................................................ 64Volume 1 – Core Techniques and Cross-Cutting Issues28Tables (continued)1.24. Income Poverty: Data Availability and Analyses Tools.......................................................................... 671.25. Data Collection Methods for Qualitative and Participatory Assessments ........................................... 69Figures1.1. Poverty Incidence Across Sectors of Employment (Burkina
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