1- Acharya, V.V., Hasan, I., & Saunders, A. (2006). Should banks be diversified? Evidence from individual bank loan portfolios. Journal of Business, 79, 1355–1412.
2- Amihud, Y., & Lev, B. (1981). Risk reduction as a managerial motive for conglomerate mergers. Bell Journal of Economics, 12, 605–617.
3- Amit, R., & Livnat, J. (1988). Diversification strategies, business cycles and economic performance. Strategic Management Journal, (9), 99-110.
4- Ansoff, H.I. (1957). Strategies for diversification. Harvard Business Review, (35), 113-124.
5- Arestis, P., Demetriades, P., Fattouh, B., & Mouratidis, K. (2002). The impact of financial liberalization policies on financial development: Evidence from developing economics. International Journal of Finance Economic, 7(2), 109-121.
6- Berger, P.G., & Ofek, E. (1996). Bustup takeovers of value-destroying diversified firms. The Journal of Finance, 51, 1175–1200.
7- Berger, A.N., Cummins, J.D., Weiss, M.A., & Zi, H. (2000a). Conglomeration versus strategic focus: evidence from the insurance industry. Journal of Financial Intermediation, 9, 323–362.
8- Berger, A.N., Hasan, I., & Zhou, M. (2010). Bank ownership & efficiency in China: What will happen in the world’s largest nation? Journal of Banking & Finance, 33(1), 113-130.
9- Böhnke, R. (1976). Diversifizierte unternehmen – eine untersuchung über wettbewerbliche Wirkungen und Ausmaß der Diversifizierung. Duncker & Humblot, Berlin.
10- Boot, A., & Schmeits, A. (2000). Market discipline & incentive problems in conglomerate firms with applications to banking. Journal of Financial Intermediation, 9, 240–273
11- Box, G. E., & Cox, D. R. (1964). An analysis of transformations. Journal of the Royal Statistical Society, Series B (Methodological), 211-252.
12- Bozorgh Asl, M., Akbari Masuleh, A., Mohagheghnia, M.J., & Taghavifard, M. (2017). Investigating the Effect of Variation of Assets and Facilities of Banks on Bank Risk (Case Study, Private Banking in Iran). Quarterly Journal of Investment Knowledge, 21(6), 197-213 (In Persian).
13- Bühner, R. (1993). Strategie und organisation – analyse und planung der unternehmensdiversifikation mit Fallbeispielen, Gabler, Wiesbaden.
14- Davis, J. H., Schoorman, F. D., & Donaldson, L. (1997). Toward a stewardship theory of management. Acad. Manag, Rev.22, 20–47.
15- Deng, S., & Elyasiani, E. (2008). Geographic diversification, bank holding company value, & risk. Journal of Money, Credit, & Banking, 40(6), 1217–1238.
16- Diamond, D.W. (1984). Financial intermediation & delegated monitoring. Review of Economic Studies, 51,393-414.
17- Doan, A. T., Lin, K. L., & Doong, S. C. (2018). What drives bank efficiency? The interaction of bank income diversification and ownership. International Review of Economics & Finance, 55, 203-219.
18- Drucker, S., & Puri, M. (2009). On loan sales, loan contracting, & lending relationships. Review of Financial Studies, 22, 2835–2872.
19- Duraj, B., & Moci, E. (2015). Factors influencing the bank profitability-empirical evidence from Albania. Asian Economic and Financial Review, 5(3), 483.
20- Ebrahimi, S.K., Shahriari, M., & Mehman Navazan,S.(2016). Evaluating the effect of income diversification on the performance of banks Accepted in Tehran Stock Exchange. Journal of Financial Knowledge of Securities, 9(30), 67-75 (In Persian).
21- Edirisuriya, P., Gunasekarage, A., & Dempsey, M. (2015). Bank diversification, performance & stockmarket response: Evidence from listed public banks in South Asian Countries,
Journal of Asian Economics,
http://dx.doi.org/10.1016/j.asieco.2015.09.003.
22- Elsas, R., Hackethal, A., & Holzhäuser, M. (2010). The anatomy of bank diversification. Journal of Banking & Finance, 34(6), 1274-1287.
23- Fattahi Nafchi, M., & Daee Karimzade, S. (2015). Investigating factors affecting return on assets in insurance companies accepted in Tehran Stock Exchange, The First International Conference on Accounting and Management in the Third Millennium (In Persian).
24- George, K., Joll, C., & Lynk, E.L. (1991). Industrial organization, Routledge.
25- Grant, R. (2012). Contemporary strategy analysis, 8th Edition. UK: A John Wiley & Sons, Ltd, Publication.
26- Grossman, S.E., & Stiglitz, J.E. (1976). Information and competitive price systems. American Economic Review, (66), 246-253.
27- Gul, S., Irshad, F., & Zaman, K. (2011). Factors affecting bank profitability in pakistan. Romanian Economic Journal, 14(39).
28- Hay, D.A., & Morris, D.J. (1991). Industrial economics and organization theory andeEvidence, Oxford University Press, New York.
29- Herring, R. J., & Santomero, A. M. (1992). The Corporate structure of financial conglomerates. Journal of Financial Services Research, 471-497.
30- Iskandar-Datta, M., & McLaughlin, R. (2007). Global diversification: new evidence from corporate operating performance. Corporate Ownership & Control, 4, 228– 250.
31- Jacobs, S. (1992). Strategische erfolgsfaktoren der diversifikation. Gabler, Wiesbaden.
32- Jayeola, O., Olunuga, A. O., & Sokefun, A. O. (2013). Product diversification in selected money deposit banks in Nigeria. European Journal of Economics, Finance & Administrative Sciences, (59).
33- Kagecha, K. P. (2014). Bank performance: Does bank size matter?. Research paper submitted to the School of Economics, University of Nairobi.
34- Kamp, A., Porath, D., & Pfingsten, A. (2005). Do banks diversify loan portfolios? A tentative answer based on individual bank loan portfolios. Discussion paper series 2: banking and financial studies, 1-39.
35- Klein, P., & Saidenberg, M. (1998). Diversification, organization, & efficiency: evidence from bank holding companies. Working Paper, Federal Reserve Bank of New York, 27-97.
36- Koch, J. (1974). Industrial organization and prices, Prentice Hall.
37- Kuppuswamy, V. (2010). Does diversification dreate value in the presence of external financing constraints? Evidence from the 2007-2009 financial crisis. HBS Working Paper, 10-101.
38- Laeven, L., & Levine, R. (2007). Is there a diversification discount in financial conglomerates?. Journal of Financial Economics, 85(2), 331-367.
39- Lawrence B, Pulley, L. B., & Braunstein, Y. M. (1992). A composite cost function for multiproduct firms with an application to economies of scope in banking. The Review of Economics & Statistics, 221-230.
40- Marris, R. (1964). The economic theory of "managerial" capitalism, Glencoe, New York.
41- Mazur, M., & Zhang, S. (2015). Diversification discount over the long run: New perspectives. Finance Research Letters, 15, 93-98.
42- McKillop, D. G., Glass, J. C., & Morikawa, Y. (1996). The composite cost function & efficiency in giant Japanese banks. Journal of Banking & Finance, 20(10), 1651-1671.
43- Megginson, W. L., & Netter, J. R. (2001). From state to market: A survey of empirical studies on privatization. Journal of Economic Literature, 39, 321–389.
44- Miller, S., Parkhe, A. (2002). Is there a liability of foreignness in global banking? An empirical test of banks’ X-efficiency. Strategic Management Journal, 23, 55–75.
45- Nazarova, V. (2015). Corporate diversification effect on firm value (Unilever group case study), Annalis of economics & finance, 16(1), 173–198.
46- Penrose, E.T. (1959). The theory of the growth of the firm, Oxford.
47- Pulley, L. B., & Humphrey, D. B. (1993). The role of fixed costs & cost complementarities in determining scope economies & the cost of narrow banking proposals. Journal of Business, 437-462.
48- Rafiqul Islam, M. & Farazm, A. (2008). Perceptions of civil servants toward privatization & development: A new exploratory study. Public Organiz Rev 8, Springer Science + Business Media, LLC, 37–52.
49- Rajan, R., Servaes, H., & Zingales, L. (2000). The cost of diversity: The diversification discount & inefficient investment. The journal of Finance, 55(1), 35-80.
50- Shahchera, M., & Jozdani, N. (2016). Diversity of income and profitability in banking network. Quarterly Journal of Financial and Economic Policy, 4 (14), 33-52 (In Persian).
51- Shamraeva, S. (2010). Costs and benefits of corporate diversification. Corporate finances, 2, 36-45.
52- Stein, J. C. (2002). Information production & capital allocation: Decentralized versus hierarchical firms. Journal of Finance, 57 (5), 1891–922.
53- Stiglitz, J.E. (1981).The allocation role of stock market. Journal of Finance, (2), 235-252.
54- Stulz, R. (1990). Managerial discretion & optimal financial policies. Journal of Financial Economics, 26, 3–27.
55- Tatsuo, U. (2015). Diversification, organization, & value of the firm. RIETI Discussion Paper Series 15-E-019
56- Tchaidze, R. and Tvalodze, S. (2011). Deposit formation in Georgia. International Monetary Fund, IMF Working Paper, No. WP/11/78.
57- Teece, D. J. (1982). Towards an economic theory of the multiproduct firm. Journal of Economic Behavior & Organization, 3(1), 39-63.
58- Winton, A. (1999). Don’t put all your eggs in one basket? Diversification and specialization in lending. Working Paper, No. 00-16, University of Minnesota.
59- Wu, Z., & Kachari, G. (2015). Nonlinear relationship between diversification and bank profitability. Project submitted in partial fulfilment of the requirements for the degree of Master of Science in finance. Faculty of Business Administration, Beedie School of Business.