This study examines the causal relationship between stock returns and trading volume and the level of association of information asymmetry with stock return volatility and volume relationship of Pakistan at market level and firm level for the period of July 1998 to December 2008. The results...

We provide a general characterization of the structure of rational expectations equilibria of any degree of revelation for pure exchange, sequential economies, with deffinitely many states of private information, an incomplete financial market and nominal assets. We estimate the dimension of the...