Berger, A. N., & Di Patti, E. B. (2006). Capital structure and firm performance: A new approach to testing agency theory and an application to the banking industry. Journal of Banking & Finance, 30(4), 1065-1102. 
Booth, L., Aivazian, V., Demirgucâ€Kunt, A., & Maksimovic, V. (2001). Capital structures in developing countries. The Journal of Finance, 56(1), 87-130. 
Byoun, S., & Xu, Z. (2013). Why do some firms go debt free? Asiaâ€Pacific Journal of Financial Studies, 42(1), 1-38. 
Diamond, D. W., & Rajan, R. G. (2000). A theory of bank capital. The Journal of Finance, 55(6), 2431-2465. 
Dietrich, A., & Wanzenried, G. (2014). The determinants of commercial banking profitability in low-, middle-, and high-income countries. The Quarterly Review of Economics and Finance, 54(3), 337-354. 
Dincer, H., Gencer, G., Orhan, N., & Sahinbas, K. (2011). A performance evaluation of the Turkish banking sector after the global crisis via CAMELS ratios. Procedia-Social and Behavioral Sciences, 24, 1530-1545. 
Flannery, M. J. (1994). Debt maturity and the deadweight cost of leverage: Optimally financing banking firms. The American economic review, 84(1), 320-331. 
Frank, M. Z., & Goyal, V. K. (2009). Capital structure decisions: which factors are reliably important? Financial management, 38(1), 1-37. 
Hadlock, C. J., & James, C. M. (2002). Do banks provide financial slack? The Journal of Finance, 57(3), 1383-1419. 
Ivashina, V., & Scharfstein, D. (2010). Bank lending during the financial crisis of 2008. Journal of financial economics, 97(3), 319-338. 
Jensen, M. C., & Meckling, W. H. (1976). Theory of the firm: Managerial behavior, agency costs and ownership structure. Journal of financial economics, 3(4), 305-360. 
Jermias, J. (2008). The relative influence of competitive intensity and business strategy on the relationship between financial leverage and performance. The British Accounting Review, 40(1), 71-86. 
Kraus, A., & Litzenberger, R. H. (1973). A stateâ€preference model of optimal financial leverage. The Journal of Finance, 28(4), 911-922. 
Modigliani, F., & Miller, M. H. (1958a). The cost of capital, corporation finance and the theory of investment. The American economic review, 48(3), 261-297. 
Modigliani, F., & Miller, M. H. (1958b). The cost of capital, corporation finance and the theory of investment. The American economic review, 261-297. 
Modigliani, F., & Miller, M. H. (1963). Corporate income taxes and the cost of capital: a correction. The American economic review, 53(3), 433-443. 
Moon, G., Lee, H., & Waggle, D. (2015). The effect of debt capacity on the long-term stock returns of debt-free firms. Applied Economics, 47(4), 333-345. 
Myers, S. C., & Majluf, N. S. (1984). Corporate financing and investment decisions when firms have information that investors do not have. Journal of financial economics, 13(2), 187-221. 
Olson, D., & Zoubi, T. A. (2011). Efficiency and bank profitability in MENA countries. Emerging markets review, 12(2), 94-110. 
Roman, A., & Åžargu, A. C. (2013). Analysing the financial soundness of the commercial banks in Romania: an approach based on the camels framework. Procedia economics and finance, 6, 703-712. 
Shleifer, A., & Vishny, R. W. (2010). Unstable banking. Journal of financial economics, 97(3), 306-318. 
Titman, S., & Wessels, R. (1988). The determinants of capital structure choice. The journal of finance, 43(1), 1-19. 
Yin, H., Yang, J., & Mehran, J. (2013). An empirical study of bank efficiency in China after WTO accession. Global Finance Journal, 24(2), 153-170.