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This study aims to examine whether investors react differently to the crisis during the COVID-19 pandemic based on chief executive officer (CEO) gender.

This study is based on a sample of publicly listed companies in Korea. The study uses the ordinary least squares regression and propensity score matching approach to address the research question. The dependent variable used in the regressions is the cumulative abnormal returns over 30, 60 and 90 days after the first COVID-19 case was confirmed in Korea.

The results show that cumulative abnormal returns over 30, 60 and 90 days after the first COVID-19 case are less negative for firms led by women CEOs compared to firms led by men CEOs. This is consistent with the prediction that investors favor firms with women CEOs in times of high uncertainty.

This study adds to the growing literature on the stock market during the COVID-19 pandemic. It provides empirical evidence that the effect of the pandemic on stock market performance differs by management characteristics such as CEO gender.

This study aims to examine the relationship between the internal control manager attributes and the firms’ operational efficiency. The internal control manager designs and maintains the firms’ policies and procedures to certify the effectiveness of its internal control system.

The study is an empirical research based on a sample of public companies listed on the Korean Stock Exchange from year 2011 to 2015. The authors derive measures of operational efficiency using the data envelopment analysis tool.

This study shows that the operational efficiency increases with internal control managers’ task-related knowledge and diverse firm knowledge, consistent with human capital theory. Also, the results reveal that internal control managers, equity ownership has a curvilinear relationship with the operational efficiency, indicating that excessive managerial ownership can deteriorate the firm value.

While many studies have examined the association between the internal control system and financial reporting quality, this paper is differentiated from prior studies by focussing on the internal control managers’ personal attributes. This is important, as the internal control system is essentially built by internal control managers who are in charge. This study contributes to accounting literature by shedding light on the role of internal control managers in enhancing the firms’ operational efficiency.