Aharon, D.Y. & Yagil, Y. (2019). The impact of financial leverage on shareholders’ systematic risk. Sustainability, 11, 6548.
Ahmed, A. M., Nugraha, D. P. & Hágen, I. (2023). The relationship between capital structure and firm performance: The moderating role of agency cost. Risks, 11, 102-119
Akhtar, S., Javed, B., Maryam, A., & Sadia, H. (2012). Relationship between financial leverage and financial performance: Evidence from the fuel & energy sector of Pakistan. European Journal of Business and Management, 4(11), 7–17.
AL Hawatmah, Z. & Shaban, O. (2023). The effect of financial leverage on company’s capital structure: Evidence from developing market. Corporate and Business Strategy Review. 4, 168-174.
Andarzian, M. (2016). Examining the relationship between accounting profit, degree of operating leverage, degree of financial leverage and systematic risk of companies listed in Tehran Stock Exchange. Comprehensive Conference of Management and Accounting Sciences, Tehran. Secretariat of the Comprehensive Conference of Management and Accounting Sciences.
Ansari, A., & Safari B. S. (2011). Investigating the influence of capital cost on operating leverage and financial leverage, Financial Accounting Research Quarterly. 4(3), 33-46.
Arellano, M., & Bond, S. (1991). Some tests of specification for panel data: Monte Carlo evidence and an application to employment equations. The Review of Economic Studies, 58(2), 277-297.
Arhinful, R., & Radmehr, M. (2023). The impact of financial leverage on the financial performance of the firms listed on the Tokyo Stock Exchange. Sage Open, 13(4), 1-22.
Basri, S., & Hakaki, A. (1396). Analysis of the effect of financial leverage and operating leverage and risky investment on the accounting functions of investment and holding companies listed in the Tehran Stock Exchange. Annual Conference of New Management Oaradigms in the Field of Intelligence. Permanent Secretariat of the Conference. University of Tehran.
Bui, T. N., Nguyen, X. H., Pham, K. T. (2023). The effect of capital structure on firm value: A study of companies listed on the Vietnamese stock market. International Journal of Financial Studies, 11, 100-120.
Chen, Z., Harford, J., & Kamara, A. (2019). Operating leverage, profitability, and capital structure. Journal of Financial and Quantitative Analysis, 54(1), 369-392.
Chibuzor, G. H. & Okwudili, I. R. (2022). Effect of leverage on shareholders` earnings: Accenting the relationshop between capital structure and shareholders` equity,. Journal of Global Accounting, 8(3), 162–172.
Chung, C. Y., Hur, S. K., & Wang, K. (2017). Strategic merger decisions across business cycles: Evidence from bidders' time-varying appetite for operating leverage. International Review of Economics & Finance, 47, 143-158.
Dalci, I. (2018). Impact of financial leverage on profitability of listed manufacturing firms in China. Pacific Accounting Review, 30(4), 410-432.
Darabi, R., & Saidi, A. (2008). Evaluating the relationship between operating leverage, systematic risk and returns in Tehran Stock Exchange. Financial Accounting and Audit Research Quarterly. 1(2), 145-162.
Davallou, M., & Bastami, F. (2017). The effect of growth opportunity on financial leverage. Financial Accounting and Audit Research Quarterly. 10 (38). 67-91.
Ebrahimpour, M., Babanjad, H., & Talibtabar A. M. (2015). Investigating the relationship between liquidity and financial leverage on the profitability of companies listed on the Tehran Stock Exchange (automotive and parts manufacturing, Chemical and Pharmaceutical industries). Management and Accounting Research Monthly, 26, 80-100.
Fakhari, H., & Saber, Z. (2012). Investigating the effect of operating debt leverage on the future return on equity of companies listed in the Tehran Stock Exchange. Financial Management Perspective Quarterly. 3(9). 67-79.
Fama, E. F., & MacBeth, J. D. (1973). Risk, return, and equilibrium: Empirical tests. Journal of Political Economy, 81(3), 607–636.
Farsai, S, & Aghajan, R. (2014). Investigating the effect of operating leverage and financial leverage on the cost of capital in companies listed on the Tehran Stock Exchange. The First International Accounting Conference. Management and innovation in business.
Gard, A., Waqfi, H., & Fakuri, M. (2013). Investigating the relationship between financial leverage criteria (capital structure) and performance evaluation criteria. Accounting Research. 4(4), 1-18.
Gatsi, J. G., Gadzo, S. G., & Akoto, R. K. (2013). Degree of financial and operating leverage and profitability of insurance firms in Ghana. International Business and Management, 7(2), 57-65.
Huang, J. C., Lin, H. C., Huang, D. (2022). The effect of operating cash flow on the likelihood and duration of survival for marginally distressed firms in Taiwan. Sustainability, 14, 17024.
Kartikasari, D., & Merianti, M. (2016). The effect of leverage and firm size to profitability of public manufacturing companies in Indonesia. International Journal of Economics and Financial Issues, 6(2), 409-413.
Kurdestani, G., Tatli, R., & Kotharifar, H. (2012). Evaluating the predictive ability of Altman's adjusted model of Newton's stages of financial distress and corporate bankruptcy. Investment Knowledge. 3(9). 83-100.
Mehrani, S., & Rasaiian, A. (2018). Investigating the relationship between financial leverage and added market value of companies listed in the Tehran Stock Exchange. Financial Accounting Quarterly. 1 (4). 79–91.
Minoyi, M., & Esmaili, M. (2015). Investigating the relationship between financial leverage and operating leverage with systematic risk in companies listed on the Tehran Stock Exchange. The 6th International Accounting and Management Conference and the 3rd Entrepreneurship and Open Innovation Conference.
Mousavi S. H., & Qajrbigi M. (2022). Investigating the effect of operating leverage on profitability and financial leverage in companies listed on the Tehran Stock Exchange. Scientific Journal of New Research Approaches in Management and Accounting, 5(17), 70–84.
Nabiei B. H. , & Noroozi, M. (2015). The determinant factors of capital structure of companies listed in Tehran Stock Exchange using hierarchical theory. Journal of Accounting and Social Interests, 5(16), 65-84.
Nawaz, A., Salman, A., & Shamsi, A. F. (2015). Impact of financial leverage on firms’ profitability: An investigation from cement sector of Pakistan. Research Journal of Finance and Accounting. 6)(7), 2222-1697.
Nii, M., Okabe, T., Ito, H., Morita, S., Yasuda, Y., & Yoshimura, J. (2019). Bankruptcy is an inevitable fate of repeated investments with leverage. Scientific Reports, 9(1), 1-5.
Ninh, B. P. V., Do . T. , & Hong, D. V. (2018). Financial distress and bankruptcy prediction: An appropriate model for listed firms in Vietnam. Economic Systems, 42(4), 616-624.
Pearce, T. L., Scott, J. B., Crous, P. W., Pethybridge, S. J., & Hay, F. S. (2016). Tan spot of pyrethrum is caused by a Didymella species complex. Plant Pathology, 65(7), 1170–1184.
Rajan, R. G., & Zingales, L. (1995). What do we know about capital structure? Some evidence from international data. The Journal of Finance, 50(5), 1421–1460.
Reddy, Y. V. , & Narayan, P. (2018). The Impact of liquidity and leverage on profitability: Evidence from India. IUP Journal of Accounting Research & Audit Practices, 17(1), 58-77.
Rezazadeh, R. & Moghadamnia, E. (2024). Investigating the effect of profitability, financial leverage, business unit size and net working capital on the profit quality of companies listed on the Tehran Stock Exchange between 1390 and 1400, The 8th International Conference on Management, Accounting and Economics in Sutainable Development.
Sabouri, S., Ahmadi, G., Jalil, & Abaiy, S.. (2015). Investigating the relationship between profitability, non-debt tax shield and collateral value of assets with financial leverage of companies. The Fifth International Conference on Accounting and Management and the Second Conference on Entrepreneurship and Open Innovations.
Sajjadi, S., Mohammadi, K. & Abbasi, S. (1390). Investigating the effect of choosing the capital structure on the performance of listed companies, Financial Accounting, 3,19-38.
Sarkar, S. (2018). The relationship between operating leverage and financial leverage. Accounting & Finance,60, 805-826.
Sen, G., & Ranjan, R. (2018). Rapport between leverage and profitability: A study of TVS Motor Company. Journal of Finance and Accounting, 6(2), 49.
Soloski, J. (2013). Collapse of the US newspaper industry: Goodwill, leverage and bankruptcy. Journalism, 14(3), 309–329.
Tan, H., Zhang, X., & Zeng, L. (2023). Operating leverage, equity incentive, and enterprise research and development investment. Sustainability, 15, 7023.
Valian, H., Abdoli, M., & Ostad H. A. (2017). Investigating the effect of the sensitivity of asset restructuring on the target financial leverage of companies listed on the Tehran Stock Exchange. Financial Management Strategy Quarterly. 6 (20), 115–142.
Vélez, I., & Dávila, R. (2011). Break-even analysis and operating leverage (Análisis De Punto De Equilibrio Y Apalancamiento Operativo-in Spanish) (No. 008052). Master Consultores.
Watson, D. Head A. (2010). Corporate finance: Principles and practice. Edinburgh: Pearson Education Ltd-.
Yao, Y. (2019). Operating leverage and systematic risk of the US Airline industry. CMC Senior Theses. 2148. Available at: https://scholarship. claremont. edu/cmc_theses/2148.