6Jeffrey Williaras, Anne Peck, Albert Park and Scott Rozelle,"The Emergence of a Future Market: Muggbean on the China Zhengzhou Commodity Exchange" ,Nov, 1997.
7Bessembinder, Seguin, "Price Volatility, Trading Volume,and Market Depth: Evidence from Futures Markets", Journal of Financial and Quantitative Analysis ,28,1993,pp.21 - 40.
9Chatrath, Ramchander and Song, "Speculative Activity and Stock Market Volatility", Journal of Economics and Business ,50(4), 1998, pp. 323 - 37.
10Garcia, Leuthold and Zapata, "Lead - lag Relationships between Trading Volume and Price Variability: New Evidence", Journal of Future Market ,6,1986,pp. 1 - 10.