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Saturday, August 8, 2020 | History

3 edition of Lorenz curve and Gini Index with spreadsheets found in the catalog.

Lorenz curve and Gini Index with spreadsheets

Jean B. Soper

# Lorenz curve and Gini Index with spreadsheets

## by Jean B. Soper

Written in English

Edition Notes

 ID Numbers Statement by Jean B. Soper and Martin P. Lee. Series Discussion papers / University of Leicester. Department of Economics -- No.64 Contributions Lee, Martin P. Open Library OL13775219M

The Gini coefficient requires you to construct a Lorenz curve that would look like this: A Then you have to determine what fraction of the triangle is made up of area A. Fraction of population. Fraction of incomeFile Size: KB.   इकोनॉमिक्स - लोरेन्ज़ वक्र,गिनी गुणाक Lorenz curve,Gini coefficient Gini Index - Duration: Qushyka Educat views

A Lorenz curve plots the cumulative percentages of total income received against the cumulative number of recipients, starting with the poorest individual or household. The Gini index measures the area between the Lorenz curve and a hypothetical line of absolute equality, expressed as a percentage of the maximum area under the line. LORENZ CURVES AND GINI INDEX 3 Calculating G. Examples. To get an idea of the nature of the Gini index G, let’s start with a model population of people with a total wealth of $Example 1. Suppose 20 people have$5 each. Draw the Lorenz curve and calculate G. Since 80% of the population has zero wealth, L(x) = 0, 0 ≤ x ≤ File Size: 51KB.

As is well known, the use of the Gini coefficient in comparisons is inconsistent with an utilitarian approach. This paper analyzes the Gini coefficient's normative significance in welfare comparisons evaluating income distributions according to Yaari dual social welfare function. When generalized Lorenz curves cross once, the Gini coefficient is decisive in determining welfare Cited by: LORENZ CURVES AND GINI COEFFICIENTS LEARNING OBJECTIVES In this project you will: • draw Lorenz curves and interpret the Gini coefficient • calculate and interpret alternative measures of income inequality • research other dimensions of inequality and how they are measured. Key concepts • Concepts needed for this project: ratio and decile.

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The Gini coefficient is calculated as the ratio of the area that lies between the straight degree line and the Lorenz curve (marked Area A in Figure ) over the total area over the straight degree line (marked Areas A and B).

The information in the Lorenz curve is often summarized in a single measure called the Gini index, which is defined as follows. Let A be the area of the region between y = x and y = L (x) (see figure) and let B be the area of the region between y = L (x) and the x-axis. Then the Gini index is. Show that.

Compute the Gini index for the. Plotted as a Lorenz curve, complete equality would be a straight diagonal line with a slope of 1 (the area between this curve and itself is 0, so the Gini coefficient is 0).Author: Will Kenton.

The Lorenz Curve and the Gini Coefficient. The Lorenz Curve can be used to calculate the Gini coefficient – another measure of inequality.

The Gini coefficient is area A/A+B. The closer the Lorenz curve is to the line of equality, the smaller area A is. And the Gini coefficient will be low. Contd. It is defined as a ratio and can range from 0 and 1 (0% to %) The Gini index is the Gini coefficient expressed as a percentage.

Gini index = gini coefficient * Calculation The Ginicoefficient is calculated as a ratio of areas on the Lorenz curve diagram. for Gini coefficient to be an unbiased estimate of the true population value /5(2).

If $y = L(x)$ is the equation of a Lorentz curve, then the inequality in the corresponding distribution of wealth is measured by the Gini index, which is given by the formula: Gini index [math]= 2 \displaystyle\int_0^1 [x - L(x)] dx[/m.

Theorem 1. Suppose G is the Gini index associated with the Lorenz curve L(p) and. the share density is deﬁned by s(p) = L (p)almost everywhere. Let p be the expected. value of the random variable on [0,1] whose density function is s(p).Cited by: Intuitively, the further away the Lorenz curve is from the perfect equality line, the more unequal the income distribution is, and the higher the Gini coefficient will be.

Using a Gini coefficient calculator, calculate the Gini coefficient for each of your Lorenz curves. You should have four coefficients in total. Enter new data into the spreadsheet. You can add as many points in the line as you want as long as you include at least (0,0) and (,).

X-values. Y-values: 0. 0: Lorenz Curve 0 10 20 30 40 50 60 70 80 90 0 Cumulative % Population Cumulative % Income. Case Study. Equality. Title: Creating a File Size: 37KB.

The Gini index is twice the area between the Lorenz curve and the curve of perfect equitability. For U.S. family income inthe data leads to an estimate of G ≈ U.S.

family income. 3 Lorenz curves. The Lorenz curve is a graphical representation of the cumulative income distribution. It shows for the bottom p1% of households, what percentage p2% of the total income they have. The percentage of households is plotted on the x−axis, the percentage of income on the y− Size: KB.

Ordered Lorenz Curve and Gini Index Ordered Lorenz Curve Statistical Inference Gini Interpretations Concluding Remarks The Lorenz Curve We consider methods that are variations of well-known tools in economics, the Lorenz Curve and the Gini Index.

A Lorenz Curve is a plot of two distributions In welfare economics, the vertical axis gives the. GEOG Lesson: Use Excel to produce the Lorenz Curve and calculate Gini Coefficient. GINI index (World Bank estimate) - Netherlands World Bank, Development Research Group.

Data are based on primary household survey data obtained from government statistical agencies and World Bank country departments. Lorenz Curve and Gini Index HA Markovich. Loading Unsubscribe from HA Markovich. Gini Index and Lorenz Curve in Excel - Duration: arnoldhiteviews.

The Gini index is twice the area between the Lorenz curve and the curve of perfect by: The Gini coefficient is the ratio of the area between the line of perfect equality and the observed Lorenz curve to the area between the line of perfect equality and the line of perfect inequality.

The higher the coefficient, the more unequal the distribution is. Sometimes the entire Lorenz curve is not known, and only values at certain intervals are given.

In that case, the Gini coefficient can be approximated by using various techniques for interpolating the missing values of the Lorenz curve. If (X k, Yk) are the known points on the Lorenz curve File Size: KB. Published on An explanation of Lorenz curve and Gini index, which describe or measure how equal a quantity (like income) is distributed among a population.

The explanation is done with. Those theoretical concepts, including inference purposes as well as the absolute Lorenz curves (i.e. the generalized Lorenz curve) are presented in the first part of the book (Chapters ).

Using Lorenz curves, the Gini coefficient is defined as the ratio of the area between the diagonal and the Lorenz curve and the area of the whole triangle under the diagonal.

Various attempts have Author: Johan Fellman.Jean-Jacques Rousseau wrote in the Preface to his famous Discourse on Inequality that “I consider the subject of the following discourse as one of the most interesting questions philosophy can propose, and unhappily for us, one of the most thorny that philosophers can have to solve.

For how shall we know the source of inequality between men, if we do not begin by knowing mankind Reviews: 1.A General Definition of the Lorenz Curve Article (PDF Available) in Econometrica 39(6) February with 3, Reads How we measure 'reads'Author: Joseph Gastwirth.