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Why do countries mandate accrual accounting for tax purposes?

Research output: Contribution to journalJournal article

Published
<mark>Journal publication date</mark>12/2014
<mark>Journal</mark>Journal of Accounting Research
Issue number5
Volume52
Number of pages37
Pages (from-to)1127-1163
Publication statusPublished
Original languageEnglish

Abstract

This study investigates why countries mandate accruals in the definition of corporate taxable income. Accruals alleviate timing and matching problems in cash flows, which smoothes taxable income and thus better aligns it with underlying economic performance. These accrual properties can be desirable in the tax setting as tax authorities seek more predictable corporate tax revenues. However, they can also make tax revenues procyclical by increasing the correlation between aggregate corporate tax revenues and aggregate economic activity. We argue that accruals shape the distribution of corporate tax revenues, which leads regulators to incorporate accruals into the definition of taxable income to balance the portfolio of government revenues and expenditures. Using a sample of 26 OECD countries, we find support for several theoretically motivated factors explaining the use of accruals in tax codes. We first provide evidence that corporate tax revenues are less volatile in high accrual countries, but high accrual countries collect relatively higher (lower) tax revenues when the corporate sector grows (contracts). Critically, we then show that accruals and smoother tax revenues are favored by countries with higher levels of government spending on public services and uncertain future expenditures, while countries with procyclical other tax collections favor cash rules and lower procyclicality of corporate tax revenues.