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๐Ÿ›ย Unit 6

ย ย โ€ขย ย โฑ๏ธ2 min read

6.5 Inequality

jeanne stansak

โฑ๏ธ November 11, 2020


Unit 6: Market Failure and the Role of Government

6.5: Inequality

There are two types of economic inequality: (1) income inequality, and (2) wealth inequality. Income inequality looks at how annual earnings are distributed and wealth inequality looks at how assets are distributed. There are several sources of these two types of inequality, including abilities/human capital, social capital, inheritance, effects of discrimination, access to financial markets, mobility, and bargaining power within economic and social units.

Income Inequality

We use a graph known as the Lorenz Curve to graphically represent income inequality. The Gini Coefficient is a numerical measurement of income inequality. It is a statistical measurement of income equality where perfect equality is 0 and perfect inequality is 1. The government can help with income inequality by either increasing the amount it taxes wealthier citizens or by increasing transfer payments to the poor. Transfer payments are government payments to individuals or businesses designed to meet a specific objective rather than pay for goods or resources (Ex: welfare).

The Lorenz curve shows the actual income distribution in a society. The larger the gap between perfect equality and the Lorenz curve, the greater the amount of income inequality that exists.

Types of Taxes

There are several types of taxes that can contribute to or help with income inequality. ๐Ÿ’ธ

  • Progressive taxes take a larger percentage of income from high-income groups than from low-income groups. The most common example of a progressive tax is the Federal Income Tax System in the United States. This system divides people into tax brackets based on their income level, and taxes people increasing amounts as income increases. To demonstrate, someone making between $0 and $14,100 this year is taxed 10% of that income, while someone making between $14,101 and $53,700 this year is taxed 12% of that income.

  • Regressive taxes take a larger percentage from low-income groups than from high-income groups. The most common example of a regressive tax is sales tax in the United States. Let's say the sales tax is 5% in a state, and Sally and Bob both spend $200 in sales taxes. Sally only makes $10,000 a year, so this $200 takes a larger percentage of her income than Bob, who makes $100,000 a year. Although this sales tax is the same for everyone, someone in a low-income group will feel the burden of this tax more than someone in a high-income group.

  • Proportional taxes takes the same percentage of income from all income groups. For example, if there was a 20% flat income tax on all income groups, each income group is equally affected by the tax.

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