Mispricing Firm-level Productivity

Hong Kong Institute for Monetary and Financial Research (HKIMR) Research Paper WP No. 10/2020

Forthcoming in the Journal of Empirical Finance Volume 58, September 2020, Pages 139-163

90 Pages Posted: 14 Jul 2020 Last revised: 15 Aug 2022

Multiple version iconThere are 2 versions of this paper

Date Written: June 22, 2020

Abstract

This working paper was written by Tze Chuan ‘Chewie’ Ang (Deakin University0, F.Y. Eric C. Lam (Hong Kong Institute for Monetary and Financial Research) and K. C. John Wei (Hong Kong Polytechnic University).

This paper provides a mis-pricing-based explanation for the negative relation between firm-level productivity and stock returns. Investors appear to under-price unproductive firms and overprice productive firms. We find evidence consistent with the speculative overpricing of productive firms driven by investor sentiment and short sale constraints. Investors erroneously extrapolate past productivity growth and its associated operating performance and stock returns, despite their subsequent reversals. Such mis-pricing is perpetuated because of limits to arbitrage and is partially corrected around earnings announcements when investors are surprised by unexpected earnings news. Decomposition analysis indicates that extrapolative mis-pricing and limits to arbitrage explain most of the return predictability of firm-level productivity.

Keywords: Mispricing; Investor Sentiment; Extrapolation; Limits to Arbitrage

JEL Classification: D23; D24; G12; G14

Suggested Citation

Institute for Monetary and Financial Research, Hong Kong, Mispricing Firm-level Productivity (June 22, 2020). Hong Kong Institute for Monetary and Financial Research (HKIMR) Research Paper WP No. 10/2020, Forthcoming in the Journal of Empirical Finance Volume 58, September 2020, Pages 139-163, Available at SSRN: https://ssrn.com/abstract=3632567 or http://dx.doi.org/10.2139/ssrn.3632567

Hong Kong Institute for Monetary and Financial Research (Contact Author)

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