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Tail-Heaviness, Asymmetry, and Profitability Forecasting by Quantile Regression

Tian, H., Yim, A. ORCID: 0000-0002-8063-6572 & Newton, D. (2021). Tail-Heaviness, Asymmetry, and Profitability Forecasting by Quantile Regression. Management Science, 67(8), pp. 5209-5233. doi: 10.1287/mnsc.2020.3694


We show that quantile regression is better than ordinary-least-squares (OLS) regression in forecasting profitability for a range of profitability measures following the conventional setup of the accounting literature, including the mean absolute forecast error (MAFE) evaluation criterion. Moreover, we perform both a simulated-data and an archival-data analysis to examine how the forecasting performance of quantile regression against OLS changes with the shape of the profitability distribution. Considering the MAFE and mean squared forecast error (MSFE) criteria together, quantile regression is more accurate relative to OLS when the profitability to be forecast has a heavier-tailed distribution. In addition, the asymmetry of the profitability distribution has either a U-shape or an inverted-U-shape effect on the forecasting accuracy of quantile regression. An application of the distributional shape analysis framework to cash flows forecasting demonstrates the usefulness of the framework beyond profitability forecasting, providing additional empirical evidence on the positive effect of tail-heaviness and supporting the notion of an inverted-U-shape effect of asymmetry.

Publication Type: Article
Additional Information: Copyright © 2020, INFORMS
Publisher Keywords: Heavy tails, distributional shape, profitability forecast, quantile regression
Subjects: H Social Sciences > HA Statistics
H Social Sciences > HG Finance
Departments: Bayes Business School > Finance
SWORD Depositor:
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