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Verotuksen progressiosta
Vartiainen, Henri J., (1975)
Optimal degree of progressivity under income uncertainty
Tuomala, Matti, (1984)
Some aspects of the progressive income tax structure in the UK
Price, R. W. R., (1973)
On Imperfect Information and Optimal Pollution Control.
Dasgupta, Partha, (1980)
Fully progressive taxation
On imperfect information and optimal pollution control