3Alexandros p.Prezas. 1987, Effects of Debt on the Degree of Operating and Financial Leverage, American Journal of Agricultural Economics, May, 39-45.
4Ali F.Darrat, Tarun K.Mukherjee, 1995, Inter-industry Differences and the Impact of Operating and Financial Leverages on Equity Risk, Review of Financial Economics, 4, 2. 141- 155.
5Ferri, Michael G., and Wesley H.Jones. 1979, Determinants of Financial Structure: A New Methodological Approach, Journal of Finance, 34, June 631-644.
6Huffman, L. 1983, Operating Liverage, Financial Leverage, and Equity Risk, Journal of Banking and Finance, 7, June, 197-212.
7Li.R.and G.V.Henderson, Jr. 1991, Combined Leverage and Stock Prices, Quarterly Journal of Business and Economics, 30, Winter, 18-39.
8Mandelker, G.and S.Rhee, 1984, The Impact of the Degrees of Operating and Financial Leverage on Systematic Risk of Common Stocks, Journal of Financial and Quantitative Analysis, March, 45-57.
9Stephen P.Huffman.1989, The Impact of the Degrees of Operating and Financial Leverage on the Systematic Risk of Common Stocks. Another Look, Quarterly Journal of Business and Economics, Winter, 28 No.1, 83-118.
