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. 2026 Mar 16;40:26. doi: 10.47176/mjiri.40.26

Table 2. Description of variables used in the study.

Variables Description Unit of Measurement Data Source
Dependent Variables
Return on Assets (ROA) Net income / Total assets Ratio CODAL
Return on Equity (ROE) Net income / Shareholders' equity Ratio CODAL
Independent Variables
(a) Firm-specific Variables
Current Ratio Current assets / Current liabilities Ratio CODAL
Financial Leverage Total debt / Total assets Ratio CODAL
Sales Growth (Sales_t - Sales_(t-1)) / Sales_(t-1) Percentage CODAL
Price-to-Earnings Ratio Market price per share / Earnings per share Ratio TSE
Firm Size Natural logarithm of total assets Log-value CODAL
(b) Macroeconomic Variables
GDP Natural logarithm of annual GDP Log (Rials) CBI / SCI
Money Supply (M2) Natural logarithm of the broad money supply measure. Log (Rials) CBI
Exchange Rate Natural logarithm of Exchange Rate Log (Rials/USD) CBI
Interest Rate Annual interest rate of government bonds. Percentage CBI
Inflation Rate Annual consumer price index change (%) Percentage SCI
Government Expenditure Natural logarithm of Government consumption, investment, and transfers Log (Rials) CBI
Tax Revenue Natural logarithm of total government tax revenue Log (Rials) CBI