This paper presents evidence on the characteristic speculative dynamics of a wide range of asset returns. It highlights three stylized facts. First, returns tend to be positively serially correlated at high frequency. Second, returns tend to be negatively serially correlated over long horizons....

This paper estimates the fraction of the variance in aggregate stock returns that can be attributed to various kinds of news. First, we consider macroeconomic news and show that it is difficult to explain more than one third of the return variance from this source. Second, to explore the...

This paper uses data on the abnormal returns earned by the shareholders of Texaco and Pennzoil to examine whether resources were "lost" in the course of the litigation. We find that the leakage involved in the forced transfer is enormous: each dollar of value lost by Texaco's shareholders has...