The purpose of this paper is twofold: first, to survey the statistical models of stock returns that have been suggested in the finance literature since the middle of the twentieth century; second, to examine under the prism of the contemporary philosophy of science, which of the aforementioned...

The purpose of this paper is twofold: ?rst, to survey the statistical models of stock returns that have been suggested in the ?nance literature since the beginning of the twentieth century; second, to examine under the prism of the contemporary philosophy of science, which of the aforementioned...