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Topic: Gini coefficient

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Gini index

Lorenz curve

Income inequality metrics

Income distribution

Coefficient

Corrado Gini

Social inequality

Pareto index

Welfare economics

ROC analysis

Pareto distribution

United States of America

Poverty level

Quantile

United Nations Development Programme

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	CHAPTER 9: REDUCTIONS IN INEQUALITY
		The Gini coefficient measures the area between the straight line connecting (0,0) and (1,1) and the Lorenz curve connecting those two points, as a proportion of the triangle formed by (0,0), (1,0), and (1,1).
		The Gini coefficient may also be used to calibrate the effects of work and school on inequality.
		The Gini coefficient for household broadband declined from.395 in August 2000 to.374 in September 2001.
	www.ntia.doc.gov /ntiahome/dn/html/Chapter9.htm (1420 words)

	Gini coefficient - Wikipedia, the free encyclopedia
		The Gini coefficient is a measure of inequality of a distribution, defined as the ratio of area between the Lorenz curve of the distribution and the curve of the uniform distribution, to the area under the uniform distribution.
		The Gini index is the Gini coefficient expressed as a percentage, and is equal to the Gini coefficient multiplied by 100.
		The Gini coefficient is defined as a ratio of the areas on the Lorenz curve diagram.
	en.wikipedia.org /wiki/Gini_coefficient (1300 words)

	NationMaster - Encyclopedia: Gini coefficient (Site not responding. Last check: 2007-10-19)
		Graphical representation of the Gini coefficient The Gini coefficient is a measure of inequality of a distribution, defined as the ratio of area between the Lorenz curve of the distribution and the curve of the uniform distribution, to the area under the uniform distribution.
		Gini coefficients for the United States at various times, according to the US Census Bureau: The United States Census Bureau (officially Bureau of the Census) is a part of the United States Department of Commerce.
		The Gini index is the Gini coefficient expressed in percentage (A proportion multiplied by 100) form, and is equal to the Gini coefficient multiplied by 100.
	www.nationmaster.com /encyclopedia/Gini-coefficient (2390 words)

	Gini coefficient - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-19)
		The Gini coefficient is a number between 0 and 1, where 0 corresponds with perfect equality (where everyone has the same income) and 1 corresponds with perfect inequality (where one person has all the income, and everyone else has zero income).
		The Gini coefficient is calculated as a ratio of the areas on the Lorenz curve diagram.
		Gini coefficients can be used to compare income distributions across different population sectors as well as countries, for example the Gini coefficient for urban areas differs to that of rural areas in many countries (though the United States' urban and rural Gini coefficients are nearly identical).
	www.barstow.us /project/wikipedia/index.php/Gini_coefficient (1340 words)

	Gini coefficient - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-19)
		The Gini coefficient is a measure of income inequality developed by the Italian statistician Corrado Gini.
		The Gini coefficient is a number between 0 and 1, where 0 means perfect equality (everyone has the same income) and 1 means perfect inequality (one person has all the income, everyone else has nothing).
		The Gini coefficient is calculated using areas on the Lorenz curve diagram.
	www.encyclopedia-online.info /Gini_coefficient (203 words)

	Talk:Gini coefficient - Wikipedia, the free encyclopedia
		The Gini coefficient is an often abused measure, ie it is often used to imply that one value is better or worse then another.
		The Gini coefficient can be very useful, but it needs to be properly used, and it often is not.
		I calculated the Gini Coefficient for a normal distribution with a mean of 1 and standardard deviation of 1: G(N(1,1))= 0.56418958.
	en.wikipedia.org /wiki/Talk:Gini_coefficient (1944 words)

	Income Inequality (1947-1998) (Site not responding. Last check: 2007-10-19)
		The Gini coefficient and aggregate shares of income indicate that household income inequality was relatively stable and may have decreased between 1967 and 1980.
		The Gini coefficient rose 5.5 (+/- 1.9) percent and the MLD increased by 10.9 (+/- 2.5) percent during the same period.
		GINI = [(2/un**2)EPSILON(iXi)] - (n+1)/n where u is the population mean, n is the weighted number of observations, and Xi is the weighted income of individual i, which is also weighted by individual i's rank in the in-come distribution.
	www.census.gov /hhes/income/incineq/p60204/p60204txt.html (4308 words)

	Gini coefficient
		The Gini coefficient is a measure of inequality of a distribution, defined as the ratio of area between the Lorenz curve of the distribution and the curve of the uniform distribution, to the area under...
		The Gini coefficient, invented by the Italian statistitian Corado Gini, is a number between zero and one that measures the degree of inequality in the distribution of income in a given society.
		The Gini coefficient (or Gini ratio) G is a summary statistic of the Lorenz curve and a
	www.logicjungle.com /wiki/Gini_coefficient (296 words)

	NSCB - 2000 Poverty Estimates - Poverty Gap
		The GINI coefficient in the country declined from 0.4881 in 1997 to 0.4814 in 2000, a decrease of about 1.4 percent.
		A scatterplot of the poverty incidence rates and the GINI coefficients is shown in Figure 1.
		Gini Coefficient - the ratio of the area between the Lorenz curve and the diagonal (the line of perfect equality) to the area below the diagonal.
	www.nscb.gov.ph /poverty/2000/ot_gini.asp (324 words)

	Gini coefficient as a life table function
		Further shown are errors of estimates of Gini coefficient when computed from various types of mortality data of France, Japan, Sweden and the USA in 1900-95, decompositions of the USA-UK difference in life expectancies and Gini coefficients by age and cause of death in 1997.
		As well, effects of elimination of major causes of death in the UK in 1951-96 on Gini coefficient, age-specific effects of mortality and educational composition of the Russian population on changes in life expectancy and Gini coefficient between 1979 and 1989.
		Illustrated as well are variations in life expectancy and Gini coefficient across 32 countries in 1996-1999 and associated changes in life expectancy and Gini coefficient in Japan, Russia, Spain, the USA, and the UK in 1950-1999.
	www.demographic-research.org /volumes/vol8/11 (654 words)

	Measuring (Site not responding. Last check: 2007-10-19)
		The quotient is the Gini coefficient, a measure of inequality.
		In other words, the Gini coefficient is the area shaded in pink divided by the total of the areas shaded in pink and light blue-green.
		The Gini coefficient for the United States in 1994 (according to the Census Bureau) was 0.456.
	william-king.www.drexel.edu /top/prin/txt/factors/dist4.html (206 words)

	Global_Inequality
		The Gini coefficient of inequality expresses the red shaded area as a per cent of the total area beneath the diagonal line.
		That is, the Gini coefficient is the red shaded area divided by the red and gray areas in the diagram.
		The Gini coefficient for the diagram above is approximately 55, indicating a relatively significant degree of inequality in global income distribution in 1999.
	www.sonic.net /%7Eschuelke/Global_Inequality.html (1843 words)

	National Statistics Online
		Gini coefficient for equivalised disposable income, UK There has been a fall in inequality of disposable income since 2001/02 which has reversed the rise of the late 1990s.
		The Gini coefficient takes values between 0 and 100, and the lower the value, the more equally household income is distributed.
		As with all measures derived from sample surveys, the Gini coefficients are subject to sampling errors.
	www.statistics.gov.uk /cci/nugget.asp?id=332 (457 words)

	Gini Coefficient (Site not responding. Last check: 2007-10-19)
		The most widely-accepted measure of inequality is the Gini Coefficient, a calculation of the disparity between different income groups, in which 0pc would mean...
		Cho said the tax reform raised the Gini coefficient, an index illustrating the degree of income disparity, by 0.36 percent.
		A Gini coefficient of 0.5 is the warning level of inequality.
	www.wikiverse.org /gini-coefficient (298 words)

	Gini coefficient : Gini coefficent
		The Gini coefficient is a number between 0 and 100, where 0 means perfect equality (everyone has the same income) and 100 means perfect inequality (one person has all the income, everyone else earns nothing).
		While the Gini coefficient is normally used to measure income inequality, it can be used to measure inequality of assets as well.
		The Gini coefficient is calculated using the Lorenz curve: the Gini coefficient is the area between the line of perfect equality and the Lorenz curve, as a percentage of the area between the line of perfect equality and the line of perfect inequality.
	www.fastload.org /gi/Gini_coefficent.html (161 words)

	Income Distribution [ Biz/ed Virtual Developing Country ]
		The closer the Gini Coefficient to one the greater the inequality of income distribution.
		Countries with Gini Coefficients between 0.5 and 0.7 are regarded as having unequal income distributions whilst countries having Gini Coefficients between 0.2 and 0.35 are considered to have relatively equitable.
		One use of Gini coefficient is to examine how the distribution of income varies between sectors of the population.
	www.bized.ac.uk /virtual/dc/farming/theory/th9.htm (473 words)

	GINI COEFFICIENT (Site not responding. Last check: 2007-10-19)
		Gini coefficent was developed by Italian statistician Corrodo Gini to provide a mathematical expression of the degree of concentration of wealth or income.
		A Gini coefficent of approximately 0.400 is normal for most developed economies.
		Lorenz curve is a curve in which cumulative percentage of the total of some variable, especially national income, is plotted against cumulative percentage of a corresponding population ranked in increasing order of the size of share, so illustrating any inequality of distribution.
	www.sociologyindex.com /gini_coefficient.htm (234 words)

	[No title]
		One specific indicator is the Gini Coefficient, which, along with the Concentration Index, has been taken from the field of economics and applied to the study of health inequalities.
		The Gini coefficient is based on the Lorenz curve, a cumulative frequency curve that compares the distribution of a specific variable with the uniform distribution that represents equality (Figure 1).
		The first step for calculating the Gini coefficient using geopolitically aggregated data is to sort the geographic units by the health variable (e.g., infant mortality rate) from the worst to the best situation (highest to lowest rate).
	www.paho.org /English/SHA/be_v22n1-Gini.htm (985 words)

	Price Theory: Chapter 14 D. Friedman
		Twice the area of L on Figure 14-la, called the Gini coefficient, is a simple measure of how unequal the income distribution of Figure 14-la is. Since the graph is a 1x1 square, its entire area, equal to twice the triangle N on Figure 14-1b, is simply 1.
		Both the cumulative income distribution shown on Figure 14-1c and the corresponding Gini coefficient are the same as for a society where one twelfth of the people have an income of $5,000/year, two tenths have $15,000/year, and so on--with everyone having the same income for his whole lifetime.
		The Gini coefficient as usually calculated tells us how unequal incomes are at one instant in time but does not distinguish between inequality due to different people being in different stages of their earning cycle and inequality due to some people being richer or more talented than others.
	www.daviddfriedman.com /Academic/Price_Theory/PThy_Chapter_14/PThy_Chapter_14.html (12725 words)

	Mmegi Online ::> news we need to know
		A decade ago, the coefficient in towns was 0.539 and has since improved to 0.503 while Per Capita Rural Income Geni Coefficient “have somewhat worsened” to 0.57 from an average of 0.539.
		The Gini Coefficient is a numerical measure of the degree of income inequality in a society and was developed by the Italian statistician Corrado Gini.
		The Gini coefficient is a number between zero and one, where zero means perfect equality (everyone has the same income) and one means perfect inequality (one person has all the income, everyone else has nothing).
	www.mmegi.bw /2004/November/Tuesday30/466810576775.html (408 words)

	Gini coefficient (Site not responding. Last check: 2007-10-19)
		The Gini coefficient is a measure of income inequality by the Italian statistician Corrado Gini.
		The Gini coefficient is a number between and 1 where 0 means perfect equality has the same income) and 1 means inequality (one person has all the income else has nothing).
		While the Gini coefficient is mostly used measure income inequality it can be used measure wealth inequality as well - though requires nobody to have a negative net
	www.freeglossary.com /Gini_coefficent (291 words)

	South Dublin County Development Board (Site not responding. Last check: 2007-10-19)
		The lower the value of the Gini coefficient, the more equally household income is distributed in a defined geographical area.
		The derivation of the Gini coefficient is most easily stood by considering a Lorenz curve of the household income distribution (diagram A).
		The Gini coefficient is used to show the degree of income inequality between different groups of households in the population.
	www.southdublin.ie /gini.asp (289 words)

	SARPN - South Africa
		The Gini coefficient is a summary statistic of income inequality that varies from 0 (in the case of perfect equality where all households earn equal income) to 1 (in the case where one household earns all the income and other households earn nothing).
		The Gini coefficient is calculated from the Lorenz curve that plots the cumulative percentages of total income received against the cumulative number of recipients, starting with the poorest household.
		The Gini coefficient was estimated for each municipality by calculating the area between the Lorenz curve and the line of perfect equality.
	www.sarpn.org.za /documents/d0000990/index.php (1357 words)

	"); NewWindow.document.write("IRINnews"); NewWindow.document.write(" (Site not responding. Last check: 2007-10-19)
		These differences have important public policy consequences: inequality is reflected by the Gini coefficient, which measures the distribution of a country's national income.
		The Gini coefficient varies between 0 and 1 - the closer to 1, the more unequal a society; the closer to 0, the more equal a society.
		The researchers explained that while this ratio was high, "unlike the Gini coefficient, it is not one of the highest in the world".
	www.irinnews.org /report.asp?ReportID=42356&SelectRegion=Southern_Africa&SelectCountry=SOUTH_AFRICA (974 words)

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