Volume 26, Issue 2 p. 212-240
ORIGINAL MANUSCRIPT

Effects of cross-border capital flows on stock returns of dual-listed firms in mainland China and Hong Kong: Evidence from a natural experiment

Jia Wu

Jia Wu

College of Economics, Jinan University, Guangzhou, China

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Jiada Lin

Jiada Lin

College of Economics, Jinan University, Guangzhou, China

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Zhenyu Yang

Zhenyu Yang

Research Institute, China Merchants Bank, Shenzhen, China

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Luo Dong

Corresponding Author

Luo Dong

College of Economics, Jinan University, Guangzhou, China

College of Foreign Study, Jinan University, Guangzhou, China

Correspondence

Luo Dong, College of Foreign Study, Jinan University, Guangzhou, China.

Email: dongluo@jnu.edu.cn

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First published: 22 April 2020
Citations: 1

Funding information: Department of Education of Guangdong Province of the People's Republic of China, Grant/Award Number: 2017WTSCX008; Department of Science and Technology of Guangdong Province of the People's Republic of China, Grant/Award Numbers: 2017A030310251, 2020A1515010421; Fundamental Research Funds for the Central Universities, Grant/Award Numbers: 19JNQM18, 17JNQN011; National Natural Science Foundation of China, Grant/Award Number: 71703055

Abstract

This study analyses the effects of the Shanghai–Hong Kong Stock Market Connect policy on the price disparity between A-shares and H-shares of dual-listed companies (DLC). Using a difference-in-difference estimation method, we show that the policy decreases the relative twin cumulative abnormal returns of treated DLC by 3% and narrows the price gaps between A-shares and H-shares. We determine that the rising demand for H-shares, which are newly accessible by mainland investors, drives the price of H-shares up. By contrast, the price of A-shares remains unchanged. Further analysis reveals that cross-border capital flow is the main force of the policy.

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