## Results

**Tool**

2006

#### Policy Impacts on Inequality. Weighting Samples: Introductory Issues. EASYPol Series 081

This analytical tool illustrates the concept of weighting samples in survey analysis. In particular, it deals with: a) the concept of weights and inflation factors; b) why weights are important in calculating statistical measures; c) how disregarding weights may lead to misleading results in empirical analysis.
This paper is part of the FAO Policy series: EASYPol-Resources for policy making (in agriculture, rural development and food security). You can find other EASYPol series' resources in the Resources section of this website, typing "EASYPol" in the free text search.

**Tool**

2006

#### WinDASI: A Software for Cost-Benefit Analysis of Investment Projects. EASYPol Series 020

This analytical tool illustrates how to carry out cost-benefit calculations of investment projects in WinDASI, after data are entered in the database. It explains, by means of a step-by step procedure, how to calculate flows of physical quantities of outputs, inputs and investment items; flows of current, discounted and cumulative costs, benefits, and net benefits; flows of incremental (With-Without project) current, discounted and cumulative net benefits; and project indicators such as the Net Present Value (NPV), the Internal Rate of Return (IRR), the Benefit/Cost Ratio, (BCR), the Switching Values (SVs) and Sensitivity Analysis.
Instructions are provided on how to carry out [...]

**Tool**

2006

#### Policy Impacts on Inequality: Simple Inequality Measures. EASYPol Series 080

This module illustrates the simplest ways to measure inequality drawing on the statistical concepts of location, shape and variability. In particular, the following measures will be addressed: a) the range; b) the relative mean deviation; c) the variance; d) the coefficient of variation; and e) the standard deviation of logharitms. For all these measures, step-by-step procedures and numerical examples are also discussed.
For more information, see also:
Charting Income Inequality. The Lorenz Curve. EASYPol Series 000
Social Welfare Analysis of Income Distributions: Ranking Income Distributions with Lorenz Curves. EASYPol Series 001
Policy Impacts on Inequality: Inequality and Axioms for its Measurement. EASYPol Series 054
This [...]

**Tool**

2006

#### Policy Impacts on Inequality: Inequality and Axioms for its Measurement. EASYPol Series 054

This tool illustrates the concept of desirable properties any inequality index should respect. In particular, it introduces the distinction between a positive and a normative approach to inequality analysis. Then, it discusses the role of axioms in inequality measurement and their conceptual meaning. Finally, using the Gini Index and the variance, a step-by-step procedure and numerical examples are introduced for operational purposes.
For further information, see also:
Charting Income Inequality. The Lorenz Curve. EASYPol Series 000
Social Welfare Analysis of Income Distributions: Ranking Income Distributions with Lorenz Curves. EASYPol Series 001
Inequality Analysis: The Gini Index. EASYPol Series 040
Social Welfare Analysis of Income Distributions: [...]

**Tool**

2006

#### Policy Impacts on Inequality. Decomposition of Income Inequality by Income Sources. EASYPol Series 053

This analytical tool illustrates how to decompose inequality measures by income sources. In particular, it discusses this decomposition in the context of the Gini and the Theil Indexes. A step-by-step procedure and numerical examples give operational content to the tool.
For further information, see also:
Charting Income Inequality. The Lorenz Curve. EASYPol Series 000
Social Welfare Analysis of Income Distributions: Ranking Income Distributions with Lorenz Curves. EASYPol Series 001
Inequality Analysis: The Gini Index. EASYPol Series 040
Describing Income Inequality. Theil Index and Entropy Class Indexes. EASYPol Series 051
Policy Impacts on Inequality: Decomposition of Income Inequality by Subgroups. EASYPol Series 052
This paper is part of [...]

**Tool**

2006

#### Policy impacts on inequality: Decomposition of Income Inequality by Subgroups. EASYPol Series 052

This analytical tool illustrates how to decompose inequality measures by subgroups of populations. In particular, it defines the concepts of within and between inequality and analyses how different inequality indexes perform with respect to this decomposition. In particular, the performance of the analysis of variance, the Gini Index and the Theil Index will be discussed. A step-by-step procedure and numerical examples give operational content to the tool.
For further information, see also:
Charting Income Inequality. The Lorenz Curve. EASYPol Series 000
Social Welfare Analysis of Income Distributions: Ranking Income Distributions with Lorenz Curves. EASYPol Series 001
Inequality Analysis: The Gini Index. EASYPol Series 040
Describing [...]

**Tool**

2006

#### Describing Income Inequality. Theil Index and Entropy Class Indexes. EASYPol Series 051

This analytical tool illustrates the entropy class of inequality indexes. In particular, it shows how different inequality indexes may be obtained by using a general definition (class) of indexes by assigning different values to a fixed parameter. A step-by-step procedure and numerical examples then show how to move from conceptual to operational ground.
For further information, see also:
Charting Income Inequality. The Lorenz Curve. EASYPol Series 000
Social Welfare Analysis of Income Distributions: Ranking Income Distributions with Lorenz Curves. EASYPOl Series 001
Social Welfare Analysis of Income Distributions: Ranking Income Distributions with Crossing Generalised Lorenz Curves. EASYPol Sereis 003
Inequality Analysis: The Gini Index. EASYPol [...]

**Tool**

2006

#### Policy Impacts on Inequality. Welfare Based Measures of Inequality: The Atkinson Index. EASYPol Series 050

This analytical tool illustrates one of the most popular welfare-based measures of inequality, the Atkinson Index . In particular, it discusses the foundations of this Index, in terms of social welfare specifications, and the concept of equally distributed equivalent income on which the measure is based. The use of this measure is then exemplified in a step-by-step procedure and in a numerical example.
For further information, see also:
Impacts of Policies on Poverty: Distributional Poverty Measures
Poverty Analysis: Poverty and Dominance
Social Welfare Analysis of Income Distributions: Social Welfare, Social Welfare Functions and Inequality Aversion
This paper is part of the FAO Policy series: EASYPol-Resources [...]

**Tool**

2006

#### Inequality Analysis: The Gini Index. EASYPol Series 040

This analytical tool addresses the most popular inequality index, the Gini index. It discusses its characteristics and the link with another popular graphical tool of representing inequality, the Lorenz Curve. Extended version of the Gini Index with different weighting schemes are also discussed. The use of the Gini Index and of its generalised versions is explained through a step-by-step procedure and numerical examples.
For further information, see also:
Charting Income Inequality. The Lorenz Curve. EASYPol Series 000
Impacts of Policies on Poverty. Basic Poverty Measures. EASYPol Series 007
Policy Impacts on Inequality: Inequality and Axioms for its Measurement. EASYPol Series 054
Policy Impacts on Inequality: [...]

**Case study**

2006

#### Rapid Growth of Selected Asian Economies. Lessons and Implications for Agriculture and Food Security. Synthesis Report

China’s economy has experienced remarkable growth since economic reform initiated in 1979. The rapid economic growth has been associated with unprecedented progress in poverty alleviation. Based on China’s official poverty line, the absolute level of poverty incidence fell from 33 percent in 1978 to less than 3 percent in 2004. Even based on World Bank’s US$1/day (in PPP terms) poverty line, rural poverty incidence also fell from more than 30 percent in the early 1990s to about 8 percent in 2004.
While past accomplishments are impressive, there are still great challenges ahead. Income disparity rose with economic growth. There is also [...]

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