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The Rich/Poor Ratio
The rich/poor ratio is a summary statistic used to measure societal inequality. It is calculated as the ratio of the average income of the richest 10% of a population to the average income of the poorest 10%.
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Sociology
Social Science
Empirical Science
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Economics
Economy
Introduction to Microeconomics Course
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Ch.5 The rules of the game: Who gets what and why - The Economy 2.0 Microeconomics @ CORE Econ
The Economy 2.0 Microeconomics @ CORE Econ
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The Rich/Poor Ratio
Gini Coefficient
Lorenz Curve
GCIP 2015: Global Consumption and Income Project
An economist is comparing two countries. Country A has a Gini coefficient of 0.28 and a rich/poor ratio of 5 (meaning the richest 10% of the population earn, on average, 5 times more than the poorest 10%). Country B has a Gini coefficient of 0.52 and a rich/poor ratio of 20. Based on these two common statistical tools for summarizing income distribution, what is the most accurate conclusion?
Analyzing Contradictory Inequality Measures
Interpreting Divergent Inequality Measures
Evaluating Intervention in Emerging Technology Standards
Match each measure of societal income inequality with its corresponding description.
Evaluating Single-Number Inequality Measures
An individual must choose between two scenarios that determine a monetary prize for themselves and for another person. If this individual's personal satisfaction is strongly reduced by the good fortune of others, which scenario are they most likely to choose?
- Scenario A: The individual receives $100; the other person receives $500.
- Scenario B: The individual receives $90; the other person receives $50.
Comparing Inequality Measures
A government is launching a new program specifically designed to raise the incomes of the poorest 10% of its citizens. To track the direct impact of this targeted program, policymakers need to select the most sensitive statistical measure. Which of the following would be the most appropriate and direct indicator for assessing the success of this specific policy?
Prevalence of Gini and Rich/Poor Ratio as Inequality Metrics
Over a ten-year period, a country's Gini coefficient decreased from 0.45 to 0.35. Which of the following events provides the most plausible explanation for this change in the income distribution?
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The Rich/Poor Ratio as a Measure of Inequality in the 2020 Distribution
Comparing National Income Inequality
In a hypothetical country, the average annual income for the wealthiest 10% of the population is $240,000, while the average annual income for the poorest 10% of the population is $12,000. Based on this information, what is the country's rich/poor ratio?
Consider a country where the rich/poor ratio, defined as the average income of the richest 10% divided by the average income of the poorest 10%, is currently 15. A new government policy is implemented that results in a 5% increase in the average income of the poorest 10% of the population, while the average income of the richest 10% remains unchanged. What will be the effect on the country's rich/poor ratio?
Country A and Country B both have a rich/poor ratio of 10. In Country A, the average income for the richest 10% of the population is $100,000 and for the poorest 10% is $10,000. In Country B, the average income for the richest 10% is $50,000 and for the poorest 10% is $5,000. Based solely on this information, which of the following statements is the most accurate conclusion?
True or False: A decrease in a country's rich/poor ratio, which compares the average income of the richest 10% to the poorest 10%, definitively indicates that the economic well-being of the poorest 10% has improved.
Limitations of the Rich/Poor Ratio
Critiquing the Rich/Poor Ratio as an Inequality Metric
An economic analyst is evaluating different policy outcomes to reduce a country's rich/poor ratio, which is defined as the average income of the richest 10% of the population divided by the average income of the poorest 10%. Which of the following scenarios would cause the largest decrease in this specific ratio?
Evaluating a Policy Metric
An economic report for a country states that its rich/poor ratio, defined as the average income of the richest 10% of the population divided by the average income of the poorest 10%, has increased over the past year. Which of the following scenarios is the only one that could explain this change?