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. 2022 Nov 14;13:1003081. doi: 10.3389/fpsyg.2022.1003081

Table 2.

Variable descriptions.

Variable Abbreviation Measurement
Dependent variables (Stock liquidity) Price impact frequency
Amihud illiquidity estimate Amihud Daily ratio of absolute stock return to trading volume in Pakistani rupees averaged over the number of trading days in the financial year.
Liquidity Ratio Amivest Sum of daily trading volume over the sum of absolute stock return in a year.
Trading frequency
Turnover-adjusted zero daily volumes LM Turnover-adjusted zero daily volumes
Trading cost
Zero return measure Zero Proportion of zero daily returns over number of trading days in the financial year
Independent variables
Corporate governance index CG_index Combined index of BOD, GD, AC, OC.
Board of directors Board_index 1) Board independence.
2) CEO duality
3) Board size
4) Board meeting
5) Gender diversity
Audit committee Audit_index 1) Audit committee size
2) Audit committee meeting
3) Audit committee independence
4) Engagement of Big 4 auditors
Ownership concentration Top_Own 1) Shares of largest shareholder divided by total number of outstanding shares
Institutional ownership Inst_Own 1) Shares owned by institutions divided by total number of outstanding shares
Moderator
Financial Transparency FT Earnings aggressiveness, loss avoidance and earnings smoothing.
Control variables
Firm size size Number of shares outstanding times share price at the end of fiscal year.
Leverage leverage Book value of total liabilities over book value of total assets.
Firm age Age The year, firm registered at the PSX.
Stock price S_price Natural log of stock price.
Volatility VOLATILITY Standard deviation Daily stock return.

Source: Author’s calculations (2020)