4Bartram, S. M., Gregory W. Brown, and Frank R. Fehle. 2006. International Evidence on Financial Derivatives Usage. Working Paper. Kenan - Flagler Business School, University of North Carolina At Chapel Hill.
5Breeden, D. and S. Viswanathan. 1996. Why Do Firms Hedge? An Asymmetric Information Model. Duke University Working Paper.
6Gordon M. Bodnar, Gregory S. Hayt, and Richard C. Marston. 1996. 1995 Wharton Survey of Derivatives Usage by US Non - Financial Firms. Financial Management, 25 : 113 - 133.
7Gregory W. Brown and Klaus Bjerre Toft. 2002. How Firms Should Hedge. The Review of Financial Studies, 15 : 1283 - 1324.
8Hicks, J. R.. 1939. Value and Capital. Cambridge: Oxford University Press.
9Johnson L. L.. 1960. The Theory of Hedging and Speculation in Commodity Futures. Review of Economic Studies. 27 : 139 - 151.
10Keynes, J. M.. 1930. A Treatise on Money. Vol 2, London: Macmillan.
