9Porter, David P. , Vernon L. Smith, 1995, " Futures Contracting and Dividend Uncertainty in Experimental Asset Markets", Journal of Business, Vol 68,NO 4.
10Smith, Vernon L., Gerry L. Suchanek, Arlington W. Williams, 1988," Bubbles, Crashes, and Endogenous Expectations in Experimental Spot Asset Markets", Econometrica, Vol 56, NO 5.