Multi-period Asset Lifetimes and Accounting-based Equity Valuation: Take Care with Constant-growth Terminal Value Models!

• Autores: Matthias Meitner
• Localización: Abacus: A journal of accounting, finance and business studies, ISSN 0001-3072, Vol. 49, Nº 3, 2013, págs. 340-366
• Idioma: inglés
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• Resumen

  • The merits of accruals in forecasting cash flows or mitigating the volatility of financials shortly after the valuation date are indisputable. However, the usefulness of accounting in equity valuation is very limited if we step beyond a certain forecasting horizon. In this paper, this limitation is emphasized by shedding new light on the accounting-based value driver model (VDM), a widely used constant-growth terminal value tool that uses accounting variables as input. The paper shows that, if the lifetime of a firm's assets is, on average, longer than one period, the VDM works accurately only in an idealized academic environment with an even historical corporate investment activity, a single depreciation method for all assets, and no historical inflation volatility. Artificially adjusting real-world figures to this steady state is possible in principle, but bloats the valuation model and requires exactly the same information that is used in our cash flow-driven benchmark model (where no adjustment phase is necessary). Beyond these theoretical shortcomings, the VDM is also prone to being misused in valuation practice due to its reliance on book (rather than economic) rates of return, and to its shortcomings in dealing adequately with the assets with an ex ante indefinite lifetime.