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Topic: Corrado Gini


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  Metron - Storia della Rivista
For Gini, the two lines were complementary, in so far as he saw statistics as an instrument for scientific research and as a method for the use of techniques in the long processes through which knowledge advances from initial perception to observation and explanation.
Gini was not the man to sacrifice substance to the requirements of formal techniques, nor did he ever take any interest in the formal extensions which are the mathematician's delight, and least of all in extensions into abstract fields irrelevant for applications to empirical material.
Corrado Gini was elected to membership in a large number of scientific academies in Italy and abroad; he taught and lectured at many of the major universities in Europe as well in the United States, Japan, India and Latin America.
www.metronjournal.it /storia/ginibio.htm   (1146 words)

  
 Corrado Gini - Wikipedia, the free encyclopedia
Corrado Gini (May 23, 1884 - March 13, 1965) was an Italian statistician, demographer and sociologist who developed the Gini coefficient, a measure of the income inequality in a society.
Gini was born on 23 May 1884 at Motta di Livenza, near Treviso, into an old landed family.
Corrado Gini died in the early hours of 13 March 1965.
en.wikipedia.org /wiki/Corrado_Gini   (545 words)

  
 Gini coefficient
The Gini coefficient was developed by the Italian statistician Corrado Gini.
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).
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.ebroadcast.com.au /lookup/encyclopedia/gi/Gini_coefficient.html   (122 words)

  
 Tales of Statisticians | Corrado Gini
Gini was continuously occupied with questions of measure, such as extending the concept of the mean to distributions having no obvious mean, as well as the parameters of bivariate distributions.
Gini was a great collector of data, and directed several scientific expeditions studying the demographic and medical profiles of populations in Fezzan, Palestine, Mexico, Poland, Lithuania, and, within Italy, in Calabria and Sardinia.
It was considered an advance in social justice that the Gini Coefficient for the Philippines went from 0.4881 in 1997 to 0.4814 in 2000, a decline of 1.4% in four years.
www.umass.edu /wsp/statistics/tales/gini.html   (1491 words)

  
 Gini coefficient   (Site not responding. Last check: 2007-11-03)
The Gini coefficient is a measure of inequality developed by the Italian statistician Corrado Gini and published in his 1912 paper "Variabilità e mutabilità".
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 areas on the Lorenz curve diagram.
gini-coefficient.kiwiki.homeip.net   (896 words)

  
 International conference in memory of two eminent social scientists: C. Gini and M. O. Lorenz
Corrado Gini defended his outstanding Doctoral Thesis on the statistical analysis of births by gender, and Max O. Lorenz published a remarkable paper in the former Series of the Journal of the American Statistical Association, on methods of measuring the concentration of income and wealth.
It is intended to be a tribute to the remarkable and permanent presence of C. Gini and M. Lorenz seminal contributions in the research carried out in the last one hundred years on the theme of the Conference by the community of scholars.
Corrado Gini‘s outstanding Doctoral Thesis defended in 1905 at the historical University of Bologna, was accepted with the higher honors, and was awarded the “Vittorio Emanuele” Prize.
www.unisi.it /eventi/GiniLorenz05/introduction.htm   (576 words)

  
 Bottling Up Mr. GINI — Or: Italy's Wicked Statistician(s) by Uwe Bott - The Globalist > > Global Economy
Gini had a dark secret, one that was apparently known well enough, though, by the editors of economics books around the world to expunge his name from the record.
Gini had a dark secret, one that was apparently known well enough by editors of economics books around the world to expunge his name from the record.
In fact, on the website introducing the conference, Corrado Gini was nearly glorified as the organizers noted: "C. Gini made an outstanding contribution to teaching, research and public service in Italy and the League of Nations, as well as to national and international scientific associations.
www.theglobalist.com /storyid.aspx?StoryId=5118   (1543 words)

  
 bikenashbar.info Corrado Gini   (Site not responding. Last check: 2007-11-03)
Corrado Gini (May 23 ; 1884 - March 13 ; 1965) was an Italy statistician ; dеmography and sociology who dеvеlopеd thе Gini coеfficiеnt ; a mеasurе of thе incomе inеquality in a sociеty
Gini was also a lеading fascist thеorist and idеologuе who wrotе Thе Sciеntific Basis of Fascism in 1927.
In 1929 Gini foundеd thе Italian Committее for thе Study of Population Proƅlеms (Comitato italiano pеr lo studio dеi proƅlеmi dеlla popolazionе) which; two yеars latеr; organisеd thе first Population Congrеss in Romе.
bikenashbar.info /5602   (582 words)

  
 ipedia.com: Gini coefficient Article   (Site not responding. Last check: 2007-11-03)
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.ipedia.com /gini_coefficient.html   (243 words)

  
 ipedia.com: Corrado Gini Article   (Site not responding. Last check: 2007-11-03)
Corrado Gini was an Italian statistician, demographer and sociologist who developed the Gini coefficient, a measure of the income inequality in a society.
Gini was born on 23 May I884 at Motta di Livenza, near Treviso, into an old landed family.
In 1933 Gini was elected vicepresident of the International Sociological Institute,.
www.ipedia.com /corrado_gini.html   (565 words)

  
 inequality
The Lorenz curve and Gini coefficient are typically used to measure inequality.
Formulated by the Italian statistician Corrado Gini in 1912, the coefficient is the ratio of the area between a Lorenz curve and the 45-degree line to the area of the triangle below the 45-degree line.
The Gini index is thus a weighted sum of the shares, with the weights determined by rank order position.
www.foldvary.net /works/ineq.html   (2247 words)

  
 [No title]
The drawback of the gini index is that societies that have similar average income and gini coefficients can have very different income distributions.
The gini index can only be used as a comparative figure if the distribution curve of one country or point of observation lies wholly within the distribution curve of the other country of point of observation.
Furthermore, the gini coefficient is more responsive to changes in distribution among the middle classes and is not as sensitive at the extremes.
dwardmac.pitzer.edu /dward/classes/powpart/ecoinequality.html   (2879 words)

  
 IS CHINA HEADED FOR A GINI 'RED ALERT' ? - Hyderabad News - The News of India   (Site not responding. Last check: 2007-11-03)
This feat dwarfed the growth of the Gini coefficient in the same period.
In 1980, after one year of reforms, it was 0.33; in 1992, when the late Communist Party leader Deng Xiaoping again promoted reforms after his famed "southern trip" in the wake of the Tiananmen crackdown, it was 0.37, and in 2003, when further reform measures were introduced according to China's WTO commitments, it was 0.4.
In a time of fast growth with many poor people fighting for their chance to wealth and climbing up the ladder of success, it would seem axiomatic to lend a hand to signor Gini and his coefficient of economic equality and social stability by quickly opening up the west to fast "colonization" from the east.
www.hyderabadnews.net /articles/china-struggle.htm   (1662 words)

  
 A yardstick for misfortune
To make themselves understood, economists have popularized a measure known as the "Gini coefficient." Named after Corrado Gini (1884 1965), an Italian statistician and demographer who pioneered studies of the measurable characteristics of populations, the coefficient represents the gap between the perfect distribution diagonal and a country's actual distribution curve.
A Gini coefficient of 0 indicates perfect income equality, while a 1 would imply that all wealth is concentrated in a single person.
For all their appeal, however, the Gini and other income indicators only illuminate a narrow slice of reality.
www.iadb.org /exr/IDB/stories/1998/eng/e1198i.htm   (640 words)

  
 Signs of the Times - In Praise of Inequality   (Site not responding. Last check: 2007-11-03)
A single number, called the Gini index--after economist Corrado Gini--sums up the degree of economic equality in a society.
The Gini number is defined in such a way that it would equal 0 for the imaginary egalitarian society and 1 for the Bill-Gates-has-it-all society.
We don't have a Gini handy for feudal England, but it would probably be at the high end of the scale.
www.loper.org /~george/trends/2003/Mar/970.html   (1049 words)

  
 Gini-Coefficient
The Gini Coefficient is derived from a statistical formula and expresses the degree of evenness or unevenness of any set of numbers as a number between 0 and 1.
Thus, lower Gini Coefficients indicate more equitable distribution of wealth in a society, while higher Gini Coefficients mean that wealth is concentrated in the hands of fewer people.
Sometimes the Gini Coefficient is multiplied by 100 and expressed as a percentage between 0 and 100.
www.sustainablemiddleclass.com /Gini-Coefficient.html   (650 words)

  
 Gini coefficient of inequality
This method calculates the Gini coefficient (G) of inequality with bootstrap confidence intervals.
Unbiased estimator of population Gini coefficient = 0.248663
Gini coefficient estimated from a bootstrap sample and
www.statsdirect.com /help/nonparametric_methods/gini_coefficient.htm   (491 words)

  
 Blacks' income gap among lowest in U.S. - The Washington Times: Metropolitan   (Site not responding. Last check: 2007-11-03)
The method the Census Bureau and most economists use to calculate income disparity in a population is the "Gini coefficient," developed in the early 20th century by Italian demographer Corrado Gini.
A Gini of 0 for Maryland would mean that all households in the state had the same income; a Gini of 1 would represent the greatest income disparity, with all income concentrated in a single household.
Black households in Maryland scored a Gini of.428, the lowest of any state with a fl population of at least 3 percent, except Alaska.
washingtontimes.com /metro/20031124-094023-6661r.htm   (758 words)

  
 Gini coefficient   (Site not responding. Last check: 2007-11-03)
As an extreme example, an economy where half the households have no income, and the other half share income equally has a Gini coefficient of ½; but an economy with complete income equality, except for one wealthy household that has half the total income, also has a Gini coefficient of ½.
It is claimed that the Gini coefficient is more sensitive to the income of the middle classes than to that of the extremes.
As one result of this criticism, additionally to or in competition with the Gini coefficient entropy measures are used more frequently (e.g.
gini-coefficient.iqnaut.net   (1098 words)

  
 Storytelling Science: The Mathematics of Happiness
India's Gini Index is 37.8; Hungary and Japan have the lowest (about 25), and Brazil is among the highest (60).
The Gini index looks at the shaded area between the all-equal line and the cumulative-sum curve.
The Gini index is the percentage ratio of this area divided by the triangular area under thea line.
www.cse.iitk.ac.in /~amit/story/17_gini.html   (800 words)

  
 2.3.1 Feature evaluation rules
A popular distance measure is the Gini index of diversity, named after the Italian economist Corrado Gini (1884--1965).
Gini index has been used for tree construction in statistics [29], pattern recognition [117] and sequential fault diagnosis [282].
Kalkanis [170] pointed out that measures like information gain and Gini index are all concave (i.e., they never report a worse goodness value after trying a split than before splitting), so there is no natural way of assessing where to stop further expansion of a node.
www.umiacs.umd.edu /~salzberg/docs/murthy_thesis/survey/node10.html   (1520 words)

  
 Clark University | ActiveLearning | The Arts
The Gini Index was developed as a way of quantifying income inequality within a country.
It's based on a scale from 0 to 100, where 100 represents a state of perfectly unequal distribution and 0 indicates perfectly equal income distribution.
I was not familiar with the program, but a former Clark student of Bob's, now in grad school at Boston College, was very helpful in tutoring me. The regression analysis shows how much each variable contributes to variations in infant mortality.
www.clarku.edu /activelearning/departments/iss/ross/studentint.cfm   (947 words)

  
 Coeficiente de Gini - Wikipédia
O Coeficiente de Gini é uma medida de desigualdade desenvolvida pelo estatístico italiano Corrado Gini, e publicada no documento “Variabilità e mutabilità” (variabilidade e mutabilidade), em 1912.
Enquanto o coeficiente de Gini é majoritariamente usado para mensurar a desigualdade de renda, pode ser também usado para mensurar a desigualdade de riqueza.
O coeficiente de Gini se calcula como uma razão das áreas no diagrama da curva de Lorenz.
pt.wikipedia.org /wiki/Coeficiente_de_Gini   (301 words)

  
 Population Index - Volume 56 - Number 1
In memory of Corrado Gini on the twenty-fifth anniversary of his death.
This special issue contains a selection of the published works of Corrado Gini, the eminent Italian demographer, statistician, and sociologist, on the occasion of the twenty-fifth anniversary of his death.
The selected papers (which are, with the exception of one in French, in Italian) are primarily concerned with the study of "primitive" peoples.
popindex.princeton.edu /browse/v56/n1/a.html   (1340 words)

  
 BrothersJudd Blog: WE KNOW HOW THIS ENDS:
The increasing Gini coefficient's a good measure of potential discontent in China precisely because a minority there is correctly perceived as becoming much wealthier much more quickly than the great majority, while that same majority perceives, again correctly, that the game has been unfairly rigged by the minority against the majority.
Note that this marriage of economic development and class conflict is not always inevitable in growing economies.
The United States has always had a higher Gini coefficient than other advanced industrialized countries in the West, but it is also known as the land of opportunity where hard work is rewarded.
www.brothersjudd.com /blog/archives/2005/10/we_know_how_thi.html   (1196 words)

  
 Corrado Gini - Wikipedia en español   (Site not responding. Last check: 2007-11-03)
italiano que desarrolló el coeficiente de Gini, una medida de la desigualdad en los ingresos en una sociedad.
Gini fue también un influyente teórico fascista e ideólogo que escribió Las bases científicas del fascismo en 1927.
Biografía de Corrado Gini en Metron, la revista de estadística que fundó (en italiano) (http://www.metronjournal.it/storia/ginibio.htm).
www.brujula.net /wiki/Corrado_Gini   (85 words)

  
 The Ginni coefficient, or rather Gini   (Site not responding. Last check: 2007-11-03)
Some sources spell it "Ginni", but Hank Levin correctly says it is "Gini": "It is Gini Coefficient, named after Corrado Gini.
It is a numerical measure of inequality that reflects the conventional geometric depiction known as the Lorenz Curve.
The article goes on to explain the necessary adjustments which must be made.
wais.stanford.edu /Economy/economy_ginnicoefficientorgini1702.html   (180 words)

  
 Louisiana Weekly - Your Community. Your Newspaper.
The "Gini coefficient" measures the mathematical deviation from perfectly equal distribution of income.
A population in which everyone had the same income -- whether high or low -- would have a Gini coefficient of 0; one in which one person had all the wealth while everyone else had nothing would have a Gini of 100.
For Whites, the "Gini" was 45, meaning income is spread somewhat more evenly between the state's wealthiest and poorest whites.
www.louisianaweekly.com /weekly/news/articlegate.pl?20031201k   (727 words)

  
 Amazon.com: "Corrado Gini": Key Phrase page   (Site not responding. Last check: 2007-11-03)
data of the method for analyzing legitimate fertility by year of marriage of the spouses, introduced in the 1930s by Corrado Gini (1932), or (2) establishing the ratio of this type of event to denominators that incorporate the change in marriage frequency...
Though some (such as the statistician Corrado Gini and the jurist Alfredo Rocco) gained an international reputation or figure prominently in other histories of interwar Italy,...
Gini, who would also become a member of the IAAEE, was a key figure in the...
www.amazon.com /phrase/Corrado-Gini   (563 words)

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