This paper examines empirical contemporaneous and causal relationships between trading volume, stock returns and return volatility in China's four stock exchanges and across these markets. We find that trading volume does not Granger-cause stock market returns on each of the markets. As for the...

We examine the dynamic relation between returns, volume, and volatility of stock indexes. The data come from nine national markets and cover the period from 1973 to 2000. The results show a positive correlation between trading volume and the absolute value of the stock price change. Granger...

We investigate the association between a firm’s political connections and its merger and acquisition (M&A) performance. Using a sample of M&A deals made by politically connected acquirers and their matched non-connected peers across 22 countries, we find that political connections play an...

This paper empirically identifies non-informational and informational trades using stock returns and trading volume data of the U.S., Japanese, and U.K. stock markets and five individual firms. We achieve the identification by imposing a restriction from theoretical considerations. Our results...

This study investigates the role of the trading volume in explaining the shift of firm's total and systematic risk when a dividend change is announced. We compared the differential interpretation hypothesis and pre-announcement disagreement hypothesis with more than 20,000 samples collected for...

We show that E[X(g(Y[subscript 1],...,Y[subscript n])] (where E[.] is the expectation operator) can be decomposed into a product of two expected values plus a sum of n comovement terms, if X, Y[subscript 1], . . . , Y[subscript n] follow a distribution that admits linear conditional expectation...