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 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 summarizes our earlier research documenting the characteristic speculative dynamics of many asset markets and suggests a framework for understanding them. Our model incorporates quot;feedback traders,quot; traders whose demand is based on the history of past returns rather than the...

This article demonstrates that the dispute between Texaco and Pennzoil over the Getty Oil takeover reduced the combined wealth of the claimants on the two companies by over $3 billion. During the course of the litigation, Pennzoil's shareholders gained only one-sixth as much as Texaco's...

This paper summarizes our earlier research documenting the characteristic speculative dynamics of many asset markets and suggests a framework for understanding them. Our model incorporates "feedback traders," traders whose demand is based on the history of past returns rather than the...