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As Certain as Debt and Taxes

其他書名	Estimating the Tax Sensitivity of Leverage from State Tax Changes
出版	SSRN, 2014
URL	http://books.google.com.hk/books?id=wlIhzwEACAAJ&hl=&source=gbs_api

註釋Using staggered corporate income tax changes across U.S. states, we show that taxes have a first-order effect on capital structure. Firms increase leverage by around 40 basis points for every percentage-point tax increase. Consistent with dynamic tradeoff theory, the effect is asymmetric: leverage does not respond to tax cuts. This is true even within firm: tax increases that are later reversed nonetheless lead to permanent leverage increases. The treatment effects are heterogeneous and confirm the tax channel: tax sensitivity is greater among profitable and investment-grade firms which respectively have a greater marginal tax benefit and lower marginal cost of issuing debt.