An Examination of Multijurisdictional Corporate Income Taxes Under Formula Apportionment
46 Pages Posted: 15 Mar 2004
Date Written: June 1984
This paper examines how corporate taxation of multijurisdictional firms using formula apportionment affects the incentives faced by individual firms and individual states. We find that formula apportionment creates factor price distortions which vary in general among firms within a state, and in such a way as often to put multistate firms at a competitive advantage. Formula apportionment also creates incentives for cross-hauling of output,with production in low tax rate states more profitably sold in hightax rate states, and conversely. Politically, formula apportionment appears to be very unstable --states face an incentive to shift to some other form of taxation. None of these problems exist when a corporate tax uses separate accounting.
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