Demo-Gini

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GiniDemonstration
		Gini Coefficient Demonstration - Income Concentration
		Distribution Range	Income (Y)	Income Share (Y)	Population Share (X)	Cumulative Income Share (Y)	Cumulative Population Share (X)	|X-Y|	Xk+1 – Xk (A)	Yk+1 + Yk (B)	A*B			High concentration	Average concentration	Small concentration	Perfect Equality
	2	First	R$ 1,200	10%	10%	10%	10%	0%	10%	10%	1%		1	180	1200	1200	1200	1	Perfect Equality
	3	Second	R$ 1,200	10%	10%	20%	20%	0%	30%	10%	3%			350	1200	1200	1200	2	Small concentration
	4	Third	R$ 1,200	10%	10%	30%	30%	0%	50%	10%	5%			450	1200	1200	1200	3	Average concentration
	5	Fourth	R$ 1,200	10%	10%	40%	40%	0%	70%	10%	7%			1200	1200	1200	1200	4	High concentration
	6	Fifth	R$ 1,200	10%	10%	50%	50%	0%	90%	10%	9%			2300	2300	2300	1200	Perfect Equality
	7	Sixth	R$ 1,200	10%	10%	60%	60%	0%	110%	10%	11%			4000	3500	2900	1200
	8	Seventh	R$ 1,200	10%	10%	70%	70%	0%	130%	10%	13%			6500	5000	3500	1200
	9	Eighth	R$ 1,200	10%	10%	80%	80%	0%	150%	10%	15%			10323	6000	4000	1200
	10	Ninth	R$ 1,200	10%	10%	90%	90%	0%	170%	10%	17%			15000	7000	4500	1200
	11	Tenth	R$ 1,200	10%	10%	100%	100%	0%	190%	10%	19%			26000	7500	4500	1200
			12,000	100%	100%			0%			100%
	
		Gini Coefficient	0.000
	
	
	
	
	
	
				Lorenz Curve - 0
	
		Compiled by Rafael Alves Gutierrez Montenegro, Economics Student
		PUC-SP, Pontifícia Universidade Católica de São Paulo, Brazil
		Department of Economics
		rafaelgmt@gmail.com
GiniDemonstration
	
Lorenz Curve - 0
Concentration Examples: