Does environmental management system certification keep enterprises out of trouble? Evidence from stock price crash risk

Hongyu Liu, Qin Binbin and Pengliang Qiao

PLOS ONE, 2024, vol. 19, issue 12, 1-21

Abstract: This paper examines the impact of environmental management system (EMS) certification, a significant voluntary participatory environmental regulation, on the risk of stock price collapse. The study is based on sample data of heavily polluting listed companies from 2008–2020. The study demonstrates that certification of environmental management systems has a significant impact on preventing share price collapse. This finding remains consistent even after controlling for endogeneity and conducting robustness tests. The analysis also reveals that the inhibitory effect of EMS certification is more pronounced for state-owned enterprises and firms with a higher degree of marketisation. Exploring the mechanism of its influence, it is found that environmental management system certification mainly suppresses the risk of stock price collapse by improving the environmental performance of enterprises and the transparency of corporate information, suggesting that environmental management system certification can be used as both an "environmental governance tool" for suppressing stock price collapse and an "information transfer tool" for improving the transparency of corporate information, thus suppressing the risk of stock price collapse. Meanwhile, the media’s attention has been found to moderate the effect of environmental management system certification on stock price crash risk. These findings validate the inhibitory effect of environmental management system certification on stock price crash risk, expand our understanding of the economic consequences of environmental management system certification and the factors that influence stock price crash risk. They also provide a theoretical basis and practical support for environmental regulators.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0311740

DOI: 10.1371/journal.pone.0311740

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