Témbongkeun sumber pikeun Koéfisién Gini

[[Image:Gini Coefficient World CIA Report 2009.png|thumb|right|430px|Koéfisién Gini di sadaya Marcapada]]

'''Koéfisién Gini''' mangrupa ukuran nu dimekarkeun ku statistikus [[Italia]], [[Corrado Gini]], jeung diumumkeun dina taun 1912 dina karyana, ''Variabilità e mutabilità''.

Koéfisién ini biasana digunakeun keur ngukur bébéda pamasukan jeung kabeungharan. Di sadaya Marcapada, koéfisién variasi ti 0.25 ([[Dénmark]]) nepi ka 0.70 ([[Namibia]]).

Koéfisién Gini mangrupa wilangan antara 0 jeung 1, nu mana 0 hartina persis sarua (unggal jalma miboga panghasilan nu sarua) sarta 1 harti persis teu saruaan (saurang boga kabéh panghasilan, nu séjénna teu boga nanaon).

Koéfisién Gini diétang ngagunakeun daérah dina diagram [[Kurva Lorenz|Lorenz]]. Lamun daérah antara garis persis sarua sarta kurva Lorenz A, sarta daérah sahandapeun kurva Lorenz nyaéta B, mangka koéfisién Gini A/(A+B). Ieu ditémbongkeun salaku perséntase atawa salaku kasaruaan numerik tina perséntasi, ajén salawasna antara 0 jeung 1.

'''Indéks Gini''' sarua jeung koéfisién Gini kali 100{{citation needed}}.

== Tumbu kaluar ==
* Deutsche Bundesbank: [http://www.bundesbank.de/download/bankenaufsicht/dkp/200503dkp_b.pdf Do banks diversify loan portfolios?] {{Webarchive|url=https://web.archive.org/web/20081218111312/http://www.bundesbank.de/download/bankenaufsicht/dkp/200503dkp_b.pdf |date=2008-12-18 }}, 2005 (on using e.g. the Gini coefficient for risc evaluation of loan portefolios)
* [https://web.archive.org/web/20080517072939/http://www.forbes.com/billionaires/free_forbes/2003/0317/098.html Forbes Article, In praise of inequality]
* [http://www.theresearchkitchen.com/blog/archives/219 Measuring Software Project Risk With The Gini Coefficient] {{Webarchive|url=https://web.archive.org/web/20100809082021/http://www.theresearchkitchen.com/blog/archives/219 |date=2010-08-09 }}, an application of the Gini coefficient to software
* [http://web.worldbank.org/WBSITE/EXTERNAL/TOPICS/EXTPOVERTY/EXTPA/0,,contentMDK:20238991~menuPK:492138~pagePK:148956~piPK:216618~theSitePK:430367,00.html The World Bank: Measuring Inequality] {{Webarchive|url=https://web.archive.org/web/20130622034007/http://web.worldbank.org/WBSITE/EXTERNAL/TOPICS/EXTPOVERTY/EXTPA/0,,contentMDK:20238991%7EmenuPK:492138%7EpagePK:148956%7EpiPK:216618%7EtheSitePK:430367,00.html |date=2013-06-22 }}
* [http://utip.gov.utexas.edu/tutorials/theo_basic_ineq_measures.doc Travis Hale, University of Texas Inequality Project:The Theoretical Basics of Popular Inequality Measures], online computation of examples: [http://www.poorcity.richcity.org/calculator/?quantiles=7,*18000|10,*22000|280,*25000|15,*35000|15,*40000|50,*60000|10,*75000|6,*80000|4,*120000|2,*200000|1,1000000 1A], [http://www.poorcity.richcity.org/calculator/?quantiles=12,*15000|25,*20000|1000,*30000|35,*35000|100,*45000|80,*50000|10,*60000|25,*80000|8,*175000|4,*250000|1,5000000 1B]
* [http://www.census.gov/hhes/www/income/histinc/state/state4.html United States Census Bureau List of Gini Coefficients by State for Families and Households]

[[Kategori:Ékonomi]]


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