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1.
2022 IEEE International Conference on Consumer Electronics - Taiwan, ICCE-Taiwan 2022 ; : 485-486, 2022.
Article in English | Scopus | ID: covidwho-2051988

ABSTRACT

In order to decrease the infection of COVID-19 virus, people must frequency wash the hands or decrease the times of touching the public things. The blood pressure (BP) and weight are the important parameters under the healthy management. The goal of this study is to measure BP with a weight scale. The Ballistocardiogram and photoplethysmogram (PPG) were measured to extract the pulse transit time (PTT) that was used to estimate BP. The results show that the performances of proposed method were close to the reference method, using the electrocardiogram and PPG. Thus, the proposed method can decrease the infected risk when measuring BP with the cuff. © 2022 IEEE.

2.
Journal of Accounting and Public Policy ; 41(4), 2022.
Article in English | Web of Science | ID: covidwho-2041883

ABSTRACT

This paper analyzes the impact of COVID-19 on firm-level stock behaviors (including stock price volatility, trading volume and stock returns). Using US data, this paper examines whether confirmed cases (and deaths) of COVID-19 or COVID-19-associated online searches affect stock behaviors. The results show that our five COVID-19 proxies are all positively associated with stock price volatility and trading volume and negatively associ-ated with stock returns. This paper further investigates the mitigating effect of corporate governance (viz., board and ownership structures) in this COVID-19 crisis. Overall, the results suggest that good corporate governance can mitigate the impact of COVID-19 on stock price volatility and trading volume but may not help to enhance stock returns. This paper also considers key policies used to tackle the COVID-19 pandemic and finds that government intervention plays an important role in stabilizing stock markets in this COVID-19 crisis. (c) 2021 Elsevier Inc. All rights reserved.

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