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This chapter introduces the notation and basic concepts that will be used throughout the book.

The chapter is organized into four sections. Section 2.1 starts with a review of unidimensional poverty measurement with particular attention to the well-known Foster-Greer-Thorbecke (FGT) measures (Foster, Greer, and Thorbecke 1984) because many methods presented in Chapter 3, as well as the Alkire and Foster (2007, 2011a) measures presented in Chapter 5, are based on FGT indices.

Section 2.2 introduces the notation and basic concepts for multidimensional poverty measurement that will be used in subsequent chapters. Section 2.3 delves into the issue of indicators' scales of measure­ment, an aspect often overlooked when discussing methods for multidimensional ana­lysis and which is central to this book. Section 2.4 addresses comparability across people and dimensions. Finally, section 2.5 presents in a detailed form the different properties that have been proposed in axiomatic approaches to multidimensional poverty measure­ment. Such properties enable the analyst to understand the ethical principles embodied in a measure and to be aware of the direction of change they will exhibit under certain transformations.

2.1

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Source: Alkire S., FosterJ., Seth S. et al.. Multidimensional Poverty Measurement and Analysis. Oxford University Press,2015. — 368 p.. 2015
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