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From COVID-19 herd immunity to investor herding in international stock markets: the role of government and regulatory restrictions
journal contribution
posted on 2023-06-09, 22:36 authored by Renatas Kizys, Panagiotis Tzouvanas, Michael DonadelliWe study if government response to the novel coronavirus COVID-19 pandemic can mitigate investor herding behaviour in international stock markets. Our empirical analysis is informed by daily stock market data from 72 countries from both developed and emerging economies in the first quarter of 2020. The government response to the COVID-19 outbreak is measured by means of the Oxford COVID-19 Government Response Tracker, where higher scores are associated with greater stringency. Three main findings are in order. First, results show evidence of investor herding in international stock markets. Second, we document that the Oxford Government Response Stringency Index mitigates investor herding behaviour, by way of reducing multidimensional uncertainty. Third, short-selling restrictions, temporarily imposed by the national and supranational regulatory authorities of the European Union, appear to exert a mitigating effect on herding. Finally, our results are robust to a range of model specifications.
History
Publication status
- Published
File Version
- Accepted version
Journal
International Review of Financial AnalysisISSN
1057-5219Publisher
ElsevierExternal DOI
Article number
a101663Department affiliated with
- Accounting and Finance Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2021-01-04First Open Access (FOA) Date
2022-07-13First Compliant Deposit (FCD) Date
2021-01-02Usage metrics
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