Stock price reactions to reopening announcements after China abolished its zero-COVID policy

Chang, Zheng, Ng, Alex Wei Fung, Peng, Siying and Shi, Dandi (2024) Stock price reactions to reopening announcements after China abolished its zero-COVID policy. Humanities and Social Sciences Communications, 11 (1). ISSN 2662-9992

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Abstract

As global economies strive for post-COVID recovery, stock market reactions to reopening announcements have become crucial indicators. Though previous research has extensively focused on COVID’s detrimental impact on stock markets, the effects of reopening remain underexplored. This study provides the first causal analysis of the effect of easing restrictions on Chinese firms’ stock prices following the end of China’s three-year Zero-COVID policy. Utilizing regression-discontinuity design, we find that most relaxed measures had minimal or negative impact. However, stock prices jumped 1.4% immediately after the full reopening announcement on December 26, 2022. Using a difference-in-differences approach, we also note a 1.6% increase in the stock prices of Mainland China firms relative to firms in other districts on the Hong Kong stock market two months post-reopening. Our findings offer key insights for policymakers and contribute significantly to academic discourse on the causal relationship between reopening policies and stock market performance.

Item Type:	Article
Additional Information:	© 2024, The Author(s).
Divisions:	Economic History
Subjects:	H Social Sciences > HF Commerce > HF5601 Accounting H Social Sciences H Social Sciences > HB Economic Theory
JEL classification:	G - Financial Economics > G1 - General Financial Markets > G10 - General
Date Deposited:	18 Jan 2024 16:33
Last Modified:	29 Nov 2024 03:10
URI:	http://eprints.lse.ac.uk/id/eprint/121414

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