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The current paper studies how CEO attributes could influence corporate risk-taking. The authors examine the effects of CEO demographic attributes and CEO position's attributes on financial and strategic risk-taking.

This study is drawn on non-financial firms listed on the SBF120 index, between 2001 and 2013.

First, long-tenured CEOs are prone to decrease the total risk and the leverage ratio. Second, despite the many CEOs have political connections; they are not prone to engage in risky decisions not serving the business' interests. Third, old CEOs are likely to rely on debt to fund internal growth. Moreover, business and science-educated CEOs behave differently in terms of risk-taking. Finally, the authors show that CEOs' attributes have less influential effects in family firms than in non-family firms. Also, they seem to have more significant associations with risk-taking during and after the financial subprime crisis.

This paper examines how cognitive traits could shape investments decisions, in terms of risk preferences.

The purpose of this paper is to examine the gender diversity on boards and its effect on stock market liquidity in French boardrooms.

Using a sample of French firms between 2002 and 2012 listed on the Paris Stock Exchange (SBF120), the study uses ordinary least squares and three-stage least squares (3SLS) regressions to address endogeneity concerns on the board gender diversity.

The results show that stock market liquidity is positively and significantly associated with the presence of women directors. The authors find that investors’ decisions vary according to their positions in the board: women independent members decrease illiquidity costs, while the presence of female inside directors increases daily trading volume. In addition, the presence of female inside directors increases the firm’s ability to implement better strategies that cope with economic, social and environmental constraints which leads investors to positively react. Surprisingly, the presence of female independent directors reduces company involvement in sustainable development projects.

The empirical findings contribute to the current debate on the benefits of gender diversity on corporate boards and the effectiveness of gender-quota laws. It shows that appointing insider female’ directors incite investors to trade more stocks while appointing independents ones reduces their trading costs.

This paper shows that the benefits of female directors appointing depend on their independence of management team.

This study addresses the endogeneity between stock market liquidity, corporate governance and gender diversity. It is the first study to distinguish between the effects of women inside and independent directors on investors’ trading decisions.

This study examines the impact of social media investor sentiment on the stock market performance through qualitative and quantitative proxies.

The authors use a sample of daily stock performance related to S&P 500 Index for the period from December 18, 2017, to December 18, 2018. The social media investor sentiment was assessed through qualitative and quantitative proxies. For qualitative proxies, the study relies on three social media resources”: Twitter, Trump Twitter account and StockTwits. The authors proposed 3 methods to reflect investor sentiment. For quantitative proxies, the number of daily messages published from Trump Twitter account and StockTwits is considered as a signal of investor sentiment. For regression model, the study adopts the autoregressive distributed lagged to determine the relationships between the nonstationary series.

Empirical findings provide evidence that quantitative measures of investor sentiment have significant effects on S&P’500 performances. The authors find that Trump's tweets should be interpreted with caution. The results also show that the number of Trump's tweets on t−1 day have a positive effect on performance on day t.

Social media sentiment contains information for predicting stock returns and transaction activity. Since, the arrival of new information in capital markets triggers investor sentiment on social media.

This study investigates the investors’ sentiment through social media and explores quantitative and qualitative measures. The amount of information on social media reflects more the investor sentiment than content analysis measures.

The peer review history for this article is available at: https://publons.com/publon/10.1108/IJSE-12-2022-0818

The purpose of this paper is to investigate the effect of female members in boards of directors on asymmetric information in the French stock market.

The authors use two proxies for asymmetric information: the idiosyncratic volatility and the bid-ask spread. This study is conducted on all listed firms in the SBF 120 index between 2002 and 2012.

Results show that gender diversity in boardrooms has a negative effect on the level of private information in stock markets and reduces the bid-ask spread. However, these effects are significant in family-controlled firms: female inside directors significantly increase the idiosyncratic volatility and the bid-ask spread, while female independent directors decrease both proxies for stock market liquidity.

Our empirical findings contribute to the current debate on the benefits of gender diversity on corporate boards from the market perspective. It shows that, under specific conditions, financial markets could be receptive to the presence of female directors in boardrooms.

Practitioners and policymakers advocate the benefits of gender diversity on corporate boards. This paper shows that when the protection of minority shareholders is poor, the stock market is receptive to the presence of women independent directors, only in family controlled firms. This is a further argument that could help women to overcome glass-ceiling barriers they usually face to achieve top management positions.

This paper provides support for the increased attention paid to gender-diverse boards. It addresses the market sensitivity toward the presence of women members in French boardrooms and their positions. This is the first paper, to the best of our knowledge, to address how appointing women to different positions in the boardroom could provide signals to investors in the presence of asymmetric information. French firms are mostly family controlled. Thus, the findings bring valuable information of the impact of board diversity on the stock market considering family and nonfamily firms.

The purpose of this paper is to examine the effect of the presence of political connections on firm performance through related party transactions in Tunisia, a country where that is characterized by the Jasmin revolution in 2011.

The study uses a sample of nonfinancial firms between 2008 and 2014 listed on the Tunis Stock Exchange and uses generalized least squares on panel data.

First, the political connection and related parties' transaction enhances firm's market performance. Second, the study reveals that political connection moderates the relationship between the related party transactions and firm performance only in the period after revolution. Indeed, politicians seem to have used related party transactions to expropriate firms in a period of political instability. Finally, we show that politicians are more attracted by firms with higher market performance and with higher number of related parties' transactions.

The empirical findings contribute to the current debate on the benefits and costs of political connections in emerging economies. It shows that political connections enhance market valuation of firms. However, political connection costs appear during political instability period.

This study addresses the interaction between related party transactions, political connections and firm performance. It is the first study to test if the related party transactions are used as a tool by politicians to expropriate firms.

The purpose of this paper is to test the existence of stylized facts, such as the volatility clustering, heavy tails seen on financial series, long-term dependence and multifractality on the returns of four real estate indexes using different types of indexes: conventional and Islamic by comparing pre and during COVID-19 pandemic.

Firstly, the authors examined the characteristics of the indexes. Secondly, the authors estimated the parameters of the stable distribution. Then, the long memory is detected via the estimation of the Hurst exponents. Afterwards, the authors determine the graphs of the multifractal detrended fluctuation analysis (MF-DFA). Finally, the authors apply the WTMM method.

The results suggest that the real estate indexes are far from being efficient and that the lowest level of multifractality was observed for Islamic indexes.

The inefficiency behavior of real estate indexes gives us an idea about the prediction of the behavior of future returns in these markets on the basis of past informations. Similarly, market participants would do well to reassess their investment and risk management framework to mitigate new and somewhat higher levels of risk of their exposures during the turbulent period.

To the authors’ knowledge, this is the first real estate market study employing STL decomposition before applying the MF-DFA in the context of the COVID-19 crisis. Likewise, the study is the first investigation that focuses on these four indexes.

This study examines co-movements between global Islamic index and heterogeneous rated/maturity sukuk. It tests the impact of financial uncertainty on these movements.

Firstly, we conduct a bivariate wavelet analysis to assess the co-movements between stocks and sukuk indexes. Secondly, we use General dynamic factor model and stochastic volatility to construct financial uncertainty index from Islamic stock indexes. Finally, we run regression analysis to determine the impact of uncertainty on the obtained correlations.

Our results suggest the absence of flight to quality phenomenon since correlations are positive especially at a short investment horizon. There is evidence of contagion phenomena across assets. Financial uncertainty may be considered as a determinant of stock-sukuk co-movements. Our results show that a rise in financial uncertainty induces correlation to move in the opposite direction in the short term, (exception for correlation with AA-Rated sukuk). However, the sign of stock market uncertainty becomes positive in the long term, which leads sukuk and stocks to move in the same direction (exception for 1–3 Year and AA Rated sukuk).

Investors may combine sukuk with 1–3 Year maturity and AA Rated when considering long holding periods. Further, all sukuk categories provide diversification benefit in time high financial uncertainty expectation for AA Rated sukuk when considering short holding periods.

To the best of our best knowledge, our study is the first investigation of the impact of financial uncertainty on Stock-sukuk co-movements and provides recommendation considering sukuk with different characteristics.

This paper aims to investigate the financial uncertainty vary according to different financial assets type: conventional and Islamic.

Common factors are related to risk or known information. For this, the authors use general dynamic factor model to extract common variation between both types of indexes. Then they calculate stochastic volatility for each idiosyncratic component. They also carry out the study on three different family indexes respectively, Dow Jones, S&P and MSCI indexes, for the period going from January 1, 2008 to June 30, 2018. Through a comparison analysis with uncertainty index designed for conventional assets, the authors examine the similarity between the two indexes via mean, median and variance tests. They decrypt the interrelation between them by using OLS linear regression, vector autoregressive model.

The findings show that Islamic assets uncertainty is different from conventional uncertainty level. This difference can be due to the Shariah screening and the prohibition of gharar. The main findings suggest that Islamic financial uncertainty is lower than conventional one. The OLS results prove that conventional financial uncertainties have no impact on their Islamic counterparts. In addition, Islamic financial uncertainty appears to have no significant influence on conventional one exception for Dow Jones pair. Overall, the findings support the decoupling hypothesis in term of uncertainty only for SP and MSCI indexes.

Risk averse investors can find their claim in Shariah-compliant assets, as it offers a low level of financial uncertainty. A portfolio manager may benefit from the long run non-association in uncertainty between Islamic and conventional assets especially in time of crisis.

In this work, the authors measured financial uncertainty differently and take into account the specific features of each index type to improve the results quality.

The purpose of this study tests whether political instability influence financial decision-making behavior of Tunisian-listed firms, in particular dividend payout policy.

This paper uses dividend payout decisions announced over the period 2008–2015 by nonfinancial firms listed on the Tunisian Stock Exchange. A logistic regression is applied to analyze the relationship between political instability and dividend payout decision “changes. These latter are: past non-payers” dividend initiation, past payers' dividend termination, dividend payout “increasing and dividend payout” decreasing. Political instability variables used are as follows: number of changes in government head and dummy variables indicating the changes of ruling party and election year.

This study shows that government head changes are positively related to dividend initiation decisions while changes in ruling party are negatively related to termination dividend decisions except for family controlled ones. These firms are more likely to stop dividend on period of ruling party changes. Moreover, firms become unwilling to increase dividend payment on the period of political instability (changes in ruling party and government head and elections) and become willing to decrease dividend payment only when the government head changes.

The empirical findings contribute to the current debate on the signaling power of dividend policy in emerging market where raising equity capital is difficult and controlling shareholders prefer reinvest benefit to pay dividends. In addition, this study has important implications for regulators and governments struggling to design policies to improve investors' confidence and boost market activity. Indeed, investors may use corporate payout as a signal for better governance.

To the author' best knowledge, this paper is the first to investigate and to compare the effect of three political instability sources; government head changes, changes in ruling party and elections, on dividend payout decision changes. This paper provides evidence that firms facing political unstable environment seek to achieve two goals when they make dividend policy: reducing financial distress probability and attracting minority owners.

The purpose of this paper is to analyze the impact of public and private information of Tunisian firms on stock liquidity.

The paper uses a sample of 41 Tunisian firms listed in Tunis Stock Exchange for the year 2007. Public information disclosed in annual reports and in web sites is measured by two self‐constructed disclosure indexes. To assess private information the authors use imbalance order flows. The stock liquidity proxy used in the study is Liu's multidimensional measure. Ordinary least squares (OLS) regression is applied to model the relationship between firm's information environment and stock liquidity.

First, the results provide evidence that public and private information are independent. Second, Tunisian investors do not trust the information disclosed in both annual reports and web sites, consequently it has no effect on stock liquidity, in contrast with private information. This result implies that Tunisian investors are overconfident and rely only on their private information.

The paper's findings indicate that Tunisian regulation efforts to enhance corporate transparency are not sufficient. Hence, Tunisian firms need more incentives to disclose more information to investors.

This paper, to the authors’ best knowledge, is the first to investigate the effect of both private and public information on stock liquidity. Moreover, the authors were not limited to annual reports as the only source of public information, as were prior papers, because public information was assessed in both annual reports and corporate web sites.