Which indicator is best for comparing average material living standards between countries?
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B. Real GDP per capita at PPP adjusts for population and cost-of-living differences, giving a better average material comparison; total nominal GDP ignores population and price differences.
The Human Development Index (HDI) combines indicators of which three dimensions?
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D. The HDI combines income, health and education; employment and inflation are not HDI dimensions.
A country's nominal GDP rises by 10%, its population rises by 10% and its price level rises by 5%. What happens to real GDP per capita?
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C. Real GDP grows by about 5% after inflation, but population also grows by 10%, so real GDP per capita falls by about 5%; option B ignores population growth.
Which of the following is a non-monetary indicator of living standards?
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A. Life expectancy at birth is a non-monetary health outcome; GDP per capita and disposable income are monetary measures.
Why can real GDP per capita give a misleading picture of living standards?
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D. Real GDP per capita is an average and does not show income distribution; option A is wrong because it is not automatically adjusted for inequality.
Purchasing power parity (PPP) is useful when comparing living standards because it:
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B. PPP adjusts exchange rates for cost-of-living differences, making income comparisons more meaningful; it does not measure inequality or population.
What does a Gini coefficient of 0 indicate?
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C. A Gini of 0 means income is shared perfectly equally; a Gini of 1 would mean perfect inequality, so A is wrong.
Country A has a Gini coefficient of 0.25 and Country B has a Gini coefficient of 0.55. What does this suggest?
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A. A lower Gini coefficient means greater income equality, so Country A is more equal than Country B; option B reverses the relationship.
What does a Lorenz curve show?
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D. A Lorenz curve plots cumulative income shares against cumulative population shares; it does not directly show inflation, GDP per capita or unemployment.
If a country's Lorenz curve moves further away from the line of perfect equality, what is the most likely change?
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B. A Lorenz curve further from the line of equality indicates greater income inequality; option A describes movement towards equality.
Which pair of indicators would best compare living standards between two countries?
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C. Real GDP per capita at PPP and HDI together capture material income and broader welfare; total GDP and population alone do not show average living standards.
A country has a high GDP per capita but a low HDI. What is a possible explanation?
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A. High average income can coexist with poor health and education, lowering HDI; option B is wrong because GDP per capita and HDI do not always move together.
Which change is most likely to improve living standards in a developing country?
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D. Clean water and education directly improve health and human capital, raising living standards; higher inflation or inequality would usually worsen them.
In Country X, the richest 20% of households receive 50% of total income and the poorest 20% receive 5%. What is the ratio of income received by the richest quintile to the poorest quintile?
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B. 50 divided by 5 equals 10, so the richest quintile receives ten times the poorest quintile's income; 5:1 would require a 25% richest share.
When comparing living standards in one country over time, why is real GDP per capita usually preferred to nominal GDP per capita?
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C. Real GDP per capita adjusts for price changes and population, allowing fair comparison over time; nominal GDP per capita includes inflation, so option A is wrong.