2017
DOI: 10.1017/s0022109017000114
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Best Practice for Cost-of-Capital Estimates

Abstract: Cost-of-capital assessments with factor models require quantitative forward-looking estimates. We recommend estimating Vasicek-shrunk betas with 1-4 years of daily stock returns and then shrinking betas a second time (and more for smaller stocks and longer-term projects), because the underlying betas are themselves time-varying. Such estimators also work well in other developed countries and for small-minus-big (SMB) and high-minuslow (HML) exposures. If own historical stock returns are not available, peer bet… Show more

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Cited by 71 publications
(32 citation statements)
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“…Shrinkage techniques: 27%. These practices stand in contrast to the recommendations of Levi and Welch (2017).…”
Section: Cost Of Capitalmentioning
confidence: 82%
“…Shrinkage techniques: 27%. These practices stand in contrast to the recommendations of Levi and Welch (2017).…”
Section: Cost Of Capitalmentioning
confidence: 82%
“…Using h = log(2)/60, the half-life of the weights K (τ ) converges to 60 months for large t, which is consistent with the standard five-year rolling window used in empirical asset pricing tests. Following Elton, Gruber, and Urich (1978), Cosemans, Frehen, Schotman, and Bauer (2016), and Levi and Welch (2017), we transform the estimated β Π,i,t using a Vasicek (1973) adjustment…”
Section: Inflation Betasmentioning
confidence: 99%
“…We thoroughly examine the performance of prior-based combinations vis-à-vis single models and other possible forecast combinations. Levi & Welch (2017) test different shrinking approaches and suggest best practices to obtain cost-of-capital estimates.…”
Section: Introductionmentioning
confidence: 99%