2Grossman,Sanford J.. The Existence of Futures Markets,Noisy Rational Expectations and Informational Externalities. Review of Economic Studies,1977,44(138):431.
3Holthausen,D. M. Heding and the Competitive Firm under Price Uncertainty. American Economic Review, 1979,(69):989-995.
4Telser, Lester G. Futures and Actual Markets:How They Are Related, The Journal of Business, 1986,(59) :s-20.
5Williams, Jeffrey.Th Economic Function of Futures Markets Cambridge:Cambridge University Press, 1986.
