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INCOME REDISTRIBUTION: CONCEPTUAL ISSUES

INCOME REDISTRIBUTION: CONCEPTUAL ISSUES. Chapter 12. The Distribution of Money Income Among Households. Source: US Bureau of the Census [2011a] Note: These figures do not include the value of in-kind transfers. Who is Poor?. Source: US Bureau of the Census, [ 2012a]. U.S. Poverty Rate.

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INCOME REDISTRIBUTION: CONCEPTUAL ISSUES

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  1. INCOME REDISTRIBUTION: CONCEPTUAL ISSUES Chapter 12

  2. The Distribution of Money Income Among Households Source: US Bureau of the Census [2011a] Note: These figures do not include the value of in-kind transfers.

  3. Who is Poor? Source: US Bureau of the Census, [2012a]

  4. U.S. Poverty Rate

  5. Interpreting the Distributional DataIssues • Poverty Line: fixed level of real income considered enough to provide a minimally adequate well-being • Census income on which poverty level is based consists only of family’s cash receipts • In-kind transfers • Official figures ignore taxes • Income measured annually • Consumption data may provide better assessment of well-being • Problems defining unit of observation

  6. 0 Rationale for Income DistributionSimple Utilitarianism • Utilitarian Social Welfare Function:W = F(U1, U2, …, Un) • “Promote Greatest Good for Greatest Number” • Additive Social Welfare FunctionW = U1 + U2 + … + Un • Assumptions 1. Individuals have identical utility functions that depend only on their incomes 2. Utility functions exhibit diminishing marginal utility of income 3. Total amount of income is fixed

  7. 0 Implications for Income InequalityEqualizing income will increase W Paul gains this much utility Paul’s marginal utility Peter’s marginal utility e f This is the net gain to society Peter loses this much utility d c Take ab from Peter and give to Paul Social welfare maximized MUPeter MUPaul 0 0’ b a I* Paul’s income Peter’s income

  8. The Maximin Criterion Social Welfare FunctionW = Minimum(U1, U2, …, Un) Maximin criterion - No inequality acceptable unless it works to the advantage of the least well off Original position – “behind the veil of ignorance” Critique of Rawls

  9. Pareto Efficient Income Redistribution Will redistribution always make someone worse off? Redistribution if gain in utility from charity exceeds loss from reduced consumption Government reduces cost of redistribution Income distribution as a Public Good Social safety net Social stability

  10. Non-individualistic Views • Fundamental principles specifying income distribution derived independent of tastes • Incomes distributed equally as matter of principle • Plato’s 4:1 ratio of highest to lowest income • Commodity Egalitarianism: only special commodities need be distributed equally such as right to vote or food during war • Education? • Healthcare?

  11. Other Considerations • Processes versus Outcomes • Fairness of distribution of income judged by fairness of process that generated it • Robert Nozick • Society cannot redistribute income because society has no income to redistribute • With sufficient social mobility, distribution of income is of no particular ethical interest • Corruption stemming from extreme inequality is an argument for income redistribution

  12. Expenditure Incidence • Expenditure incidence: impact of expenditure policy on distribution of real income • Difficult to determine • Relative price effects • Public goods • Valuing in-kind transfers

  13. In-Kind Transfers

  14. In-Kind Transfers

  15. Reasons for In-Kind Transfers Paternalism Commodity egalitarianism Reduce welfare fraud Political factors

  16. Chapter 12 Summary Poverty rates in the U.S. vary greatly by age, race, ethnicity, and gender Measuring the extent of poverty is difficult for various reasons The rationale for redistributing income stems from attempts to maximize a social welfare function Determining the impact of income redistribution on real incomes is difficult primarily due to changes in relative prices resulting from the redistribution

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