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Optimal asymmetric taxation in a two-sector model with population ageing

Fedotenkov, Igor (2015): Optimal asymmetric taxation in a two-sector model with population ageing.

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Abstract

This paper presents a simple condition for optimal asymmetric labour (capital) taxation/subsidization in a two-sector model with logarithmic utilities and Cobb-Douglas production functions, linked to demographic factors: fertility rate and longevity. The paper shows that depending on parameter values, it may be optimal to tax or subsidize labour in the sectors. If it is optimal to tax the investment-goods sector, a Pareto-improving tax reform is possible. Larger output elasticities of capital in the sectors reduce the possibilities of a Pareto-improving reform, while population ageing in terms of higher longevity enhances the possibilities of welfare improvement for all generations. Fertility rates do not affect optimal taxation.

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