Accumulation of Tax-Loss Carryforwards: The Role of Book-Tax Non-Conformity

41 Pages Posted: 14 Jun 2016 Last revised: 26 Jan 2017

Date Written: June 13, 2016

Abstract

Using confidential corporate income tax return data, this paper investigates the association between book-tax non-conformity (measured as book-tax differences) and tax-loss carryforwards (TLCFs). I find that TLCFs are positively associated with temporary and permanent book-tax differences. Only firms with positive pre-tax book income and negative taxable income (double-picture firms) drive the positive association between TLCFs and temporary book-tax differences. Conversely, the positive association of TLCFs and permanent book-tax differences is present for double-picture firms and the remaining firms. The results suggest that double-picture firms, which feature high TLCFs compared to their size and to the remaining firms, use temporary book-tax differences to report a lower taxable income than pre-tax book income. Thus, this paper contributes to the understanding of the drivers of rising TLCFs. This is important, as offsetting TLCFs against future profits jeopardizes a country’s tax revenue.

Keywords: Loss firms, Book-tax differences, Corporate taxation, Public finance

JEL Classification: H25, H32

Suggested Citation

Kohlhase, Saskia, Accumulation of Tax-Loss Carryforwards: The Role of Book-Tax Non-Conformity (June 13, 2016). WU International Taxation Research Paper Series No. 2016-03. Available at SSRN: https://ssrn.com/abstract=2794992 or http://dx.doi.org/10.2139/ssrn.2794992

Saskia Kohlhase (Contact Author)

Erasmus University Rotterdam ( email )

P.O. Box 1738
Room T08-21
3000 DR Rotterdam, 3000 DR
Netherlands

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