The implications of liquidity ratios: Evidence from Pakistan stock exchange limited

Rizwan Ahmed, Subhan Ullah, Robert Hudson and Andros Gregoriou

The Quarterly Review of Economics and Finance, 2023, vol. 87, issue C, 235-243

Abstract: In this paper we test two recently developed liquidity measures the Return-to-Turnover (hereafter RtoTR) proposed by Florackis et al. (2011) and Return-to-Volume (hereafter RtoV) recommended by Amihud, 2002, for 386 companies listed on the Pakistani Stock Exchange (PSX). Our data is obtained from January 2005 to December 2019. We firstly show the Amihud, 2002 ratio has limited ability to distinguish illiquidity from size effects in asset pricing. Second, the Florackis et al. (2011) measure has distinct features to overcome the limitations of the Amihud, 2002 ratio in the PSX. Our results show that the Capital Asset Pricing Model cannot completely account for the significant RtoV premium. However, this weak evidence for the existence of this premium disappears when Fama–French or Carhart alphas are considered as measures of risk-adjusted performance. This suggests that the RtoTR price impact ratio is more effective in the PSX compared to the RtoV ratio. Our findings suggest that both trading frequency and trading cost are significant factors in examining the returns. The RtoV ratio has a negative correlation with the market capitalization, which suggests that small stocks are inherently illiquid.

Keywords: Asset pricing; Illiquidity; Price impact ratio; Emerging markets (search for similar items in EconPapers)
JEL-codes: F65 G1 G32 N25 O16 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:quaeco:v:87:y:2023:i:c:p:235-243

DOI: 10.1016/j.qref.2020.12.006

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