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Inflation-related tax distortions in business valuation models: A clarification

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  • Kim-Duc, Nguyen
  • Nam, Pham Khanh

Abstract

The current corporate income tax (CIT) expense occupies just one line item on the statement of profit or loss and other comprehensive income. However, it is a unique line item following tax rules and not financial reporting rules. The difference between these rules is that it reflects the effective tax rate (ETR), which can differ from the statutory tax rate (STR). With inflation, this ETR-STR difference can be more significant due to the contribution of tax distortions. In this study, we expand on the standard formulas for the ETR by analyzing the effects of inflation-related tax distortions when computed under the following four cases: (i) Historical-cost-based accounting under a nominal tax basis, (ii) Fair-value-based accounting under a nominal tax basis, (iii) Historical-cost-based accounting under a real tax basis, and (iv) Fair-value-based accounting under a real tax basis. Further, we suggest a modified model for business valuation considering these tax distortions and provide a general formula to independently calculate the value of inflation-related tax distortions.

Suggested Citation

  • Kim-Duc, Nguyen & Nam, Pham Khanh, 2023. "Inflation-related tax distortions in business valuation models: A clarification," The North American Journal of Economics and Finance, Elsevier, vol. 66(C).
  • Handle: RePEc:eee:ecofin:v:66:y:2023:i:c:s106294082300030x
    DOI: 10.1016/j.najef.2023.101907
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    Cited by:

    1. Nguyen Kim-Duc & Pham Khanh Nam, 2024. "Consistent valuation: extensions from bankruptcy costs and tax integration with time-varying debt," Review of Quantitative Finance and Accounting, Springer, vol. 62(2), pages 719-754, February.

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    More about this item

    Keywords

    Firm valuation; Inflation; Tax distortions; Effective tax rates; Adjusted Present Value (APV);
    All these keywords.

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G31 - Financial Economics - - Corporate Finance and Governance - - - Capital Budgeting; Fixed Investment and Inventory Studies
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
    • G33 - Financial Economics - - Corporate Finance and Governance - - - Bankruptcy; Liquidation
    • H20 - Public Economics - - Taxation, Subsidies, and Revenue - - - General
    • H24 - Public Economics - - Taxation, Subsidies, and Revenue - - - Personal Income and Other Nonbusiness Taxes and Subsidies
    • H25 - Public Economics - - Taxation, Subsidies, and Revenue - - - Business Taxes and Subsidies

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