Han, Bing; Hong, Dong; Warachka, Mitch - In: Management Science 55 (2009) 6, pp. 1035-1046
We demonstrate that stock price momentum and earnings momentum can result from uncertainty surrounding the accuracy of … errors. Momentum arises from the investor gradually learning about the relative accuracy of the information sources and … updating their weights. Empirical tests validate the model's prediction of stronger momentum in stocks with large information …