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A country's income distribution is represented graphically. The area between the line of perfect equality and the curve representing the actual income distribution (defined as Area A) is calculated to be 0.18. The total triangular area under the line of perfect equality (defined as the sum of Area A and Area B) is 0.5. Based on these values, what is the Gini coefficient for this country?
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Figure 2.4a: The Lorenz Curve and Gini Coefficient for Wealth Ownership
A country's income distribution is represented graphically. The area between the line of perfect equality and the curve representing the actual income distribution (defined as Area A) is calculated to be 0.18. The total triangular area under the line of perfect equality (defined as the sum of Area A and Area B) is 0.5. Based on these values, what is the Gini coefficient for this country?
Comparative Inequality Analysis
Analyzing Changes in Income Distribution
Consider a society's income distribution represented graphically. If a policy change causes the area between the line of perfect equality and the curve of actual distribution (Area A) to increase, while the area under the curve of actual distribution (Area B) remains constant, the calculated measure of income inequality will necessarily increase.