Movassagh, Nahid; Modjtahedi, Bagher - In: Journal of Futures Markets 25 (2005) 3, pp. 281-308
This paper tests the fair‐game efficient‐markets hypothesis for the natural gas futures prices over the period 1990 through 2003. We find evidence consistent with the Keynesian notion of normal backwardation. Regressing the future spot prices on the lagged futures prices and using the...