Corporate tax incentives and capital structure: empirical evidence

Devereux, Michael, Maffini, Giorgia and Xing, Jing (2015) Corporate tax incentives and capital structure: empirical evidence. Oxford University Centre for Business Taxation Working Paper WP 15/07.

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Abstract

This paper examines how companies' capital structure is affected by the corporate income tax system. Our analysis employs confidential company-level corporation tax return data in the UK. Our main identification strategy is based on variation in companies’ marginal tax rates due to the existence of kinks in the corporate tax rate schedule. Using a dynamic adjustment model of capital structure, we find a positive and substantial long-run tax effect on companies' financial leverage. We show that there are considerable discrepancies between estimates of taxable profits reported in tax return data and in financial statements and that the estimated tax effect on capital structure using financial statements is likely to be biased downward. We find that companies adjust their capital structures gradually in response to changes in the marginal tax rate. Moreover, we find that the external leverage of domestic stand-alone companies and of multinational companies responds strongly to corporate tax incentives.

Item Type: Other Working Paper
Keywords: Corporate taxation, capital structure, tax returns
Centre: Oxford University Centre for Business Taxation > CBT Working Papers
Date Deposited: 14 Aug 2015 08:57
Last Modified: 15 Oct 2015 02:18
URI: http://eureka.sbs.ox.ac.uk/id/eprint/5427

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