1Sheperd, William G.1982 "Economies of scale and monoply profits." In industrial organization,antitrust, and public policy, edit by J.V. Craven. Boston: kluwer Nijhoff.
2Kanbsibm Val E., 1987, "Isthe concentration-profit correlation partly an artifact of lumpy technology? "American Economic Review 77 Sep.), PP731-733.
312.George Hondroyiannis , Sarantis Lolosand Evangelia Papapetrou, 1999, "Assessing competitive conditions in the Greek banking system", Journal of International Financial Market, Institution and Money,PP377- 391.
4Olivier De Bandtand E.Philip Davis 2000,"Competition, contestability and market structure in European banking sectors on the eve of EMU',Journal of Banking & Finance, PP1045- 1066.
5Shaffer, S.1985, "Competition, economies of scale , and diversity of firm sizes", Econ, PP467-476.
6Panzar, J C , Rosse, J N 1982, "Structure,conduct and Comparative statistics", Bell Laboratories Economic Discussion Paper NO.248.