Arbeitspapier

Optimal Non-Linear Income Taxation for the Alleviation of Income Poverty

This paper is concerned with the optimal use of income information in the design of tax/transfer systems to alleviate poverty. The issue is one of optimal non-linear income taxation, but using a non-welfarist objective function that seems to accord well with the common concerns of policy debate: an income-based poverty index. We show that one of the key results of the welfarist literature is overturned: if it is desirable for everybody to work, the optimal marginal tax rate on the very poorest individuals is strictly negative. More generally, it is argued that the non-welfarist perspective points towards lower marginal tax rates in the lower part of the distribution than does the welfarist. Numerical simulations suggest, however, that this effect is of limited quantitative significance. Using conventional functional forms and parameter values, optimal marginal tax rates on the poor are in the 60-70% range.

Language
Englisch

Bibliographic citation
Series: Queen's Economics Department Working Paper ; No. 799

Classification
Wirtschaft

Event
Geistige Schöpfung
(who)
Kanbur, Ravi
Keen, Michael
Tuomala, Matti
Event
Veröffentlichung
(who)
Queen's University, Department of Economics
(where)
Kingston (Ontario)
(when)
1990

Handle
Last update
10.03.2025, 11:42 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Kanbur, Ravi
  • Keen, Michael
  • Tuomala, Matti
  • Queen's University, Department of Economics

Time of origin

  • 1990

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