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Exceptional Argentina Di Tella, Glaeser and Llach - Thomas Piketty

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Expenditure<br />

Income<br />

5000<br />

6000<br />

4000<br />

4507<br />

5000<br />

5028<br />

4000<br />

3000<br />

2000<br />

1000<br />

2031<br />

1601<br />

2909<br />

2256<br />

1385<br />

1012<br />

1376<br />

3000<br />

2000<br />

1000<br />

2122<br />

1658<br />

3463<br />

2728<br />

1631<br />

1202<br />

1490<br />

0<br />

1985/86 1996/97 2004/05<br />

0<br />

1985/86 1996/97 2004/05<br />

Expenditure, entire sample<br />

Expenditure, Buenos Aires<br />

Bias corrected expenditure, entire sample<br />

Bias corrected expenditure, Buenos Aires<br />

Income, entire sample<br />

Income, Buenos Aires<br />

Bias corrected Income, entire sample<br />

Bias corrected Income, Buenos Aires<br />

Note: values are obtained taking 1985-1986 as bench mark <strong>and</strong> adjusting 1996-97 <strong>and</strong> 2004-05<br />

incomes by the corrected increase in purchasing power<br />

Figure 8 shows the Gini coefficients both for the official numbers <strong>and</strong> for those<br />

computed using the corrected real income numbers. Again we take as benchmark the<br />

85-86 values. It is important to notice that we are not making a statement on the actual<br />

level of inequality (had we taken the 2005-06 period as benchmark the corrected value<br />

of the Gini would have coincided with the official numbers for these years), but we are<br />

making a statement on the fact that during the 85-2006 period we find a sizable<br />

reduction in income inequality in <strong>Argentina</strong>, which, again, contrasts starkly with official<br />

figures.<br />

Figure 8. Corrected Gini coefficients<br />

Gini of Expenditure<br />

Gini of Income<br />

0.450<br />

0.400<br />

0.350<br />

0.300<br />

0.381<br />

0.378<br />

0.422<br />

0.397<br />

0.329<br />

0.310<br />

0.408<br />

0.440<br />

0.420<br />

0.400<br />

0.380<br />

0.360<br />

0.394<br />

0.389<br />

0.422<br />

0.405<br />

0.440<br />

0.340<br />

0.344<br />

0.250<br />

0.240<br />

0.320<br />

0.334<br />

0.330<br />

0.200<br />

1985/86 1996/97 2004/05<br />

0.300<br />

1985/86 1996/97 2004/05<br />

Gini of exp., entire sample<br />

Gini of exp., Buenos Aires<br />

Gini of bias corrected exp., entire sample<br />

Gini of bias corrected exp., Buenos Aires<br />

Gini of inc., entire sample<br />

Gini of Inc., Buenos Aires<br />

Gini of bias corrected inc., entire sample<br />

Gini of bias corrected inc., Buenos Aires<br />

Note: values are obtained taking 1985-1986 as bench mark <strong>and</strong> adjusting 1996-97 <strong>and</strong> 2004-05<br />

incomes by the corrected increase in purchasing power.<br />

Figure 9 shows Lorenz Curves <strong>and</strong> the bias corrected versions for 1996/97 (left column)<br />

period <strong>and</strong> 2004/05 (right column) both for income (first row) <strong>and</strong> expenditures (second<br />

row). We can see that bias corrected curves strictly dominate not corrected curves, so<br />

we can reproduce the same results of Figure 8, using any inequality index.<br />

Figure 9. Original <strong>and</strong> modified Lorenz curves

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