Guo, Wen-chung; Wang, Frank Yong; Wu, Ho-Mou - 2009
increase in price volatility as well, however, under certain conditions. Price changes from pyramiding effect are also … reduction in the margin requirement may cause the stock price to rise in the current period because it increases the demand of … negatively associated with margin requirements. Price changes from depyramiding effect, however, may not be affected when margin …