Random walk theory proposes that stock prices move unpredictably, making it impossible to predict future movements based solely on past trends. This financial theory, first popularized by economist ...

The dynamics of many natural and artificial systems are well described as random walks on a network: the stochastic behaviour of molecules, traffic patterns on the internet, fluctuations in stock ...

Juggling competing demands in a network of feverishly calculating computers drawing on the same memory resources is like trying to avert collisions among blindfolded, randomly zigzagging ice skaters.

Download PDF More Formats on IMF eLibrary Order a Print Copy Create Citation This paper addresses a key puzzle in international finance: whether exchange rates follow a random walk or exhibit ...

The forward premium, the difference between the forward exchange rate and the spot exchange rate, contains economically valuable information about the future of exchange rates. Here is the evidence ...

In this paper we discuss and apply a novel method for bounding the eigenvalues of a random walk on a group G (or equivalently on its Cayley graph). This method works by looking at the action of an ...

Princeton University emeritus economist Burton Malkiel, who turns 91 this year, has published a 50th-anniversary edition of his investing classic, A Random Walk Down Wall Street. Kim Clark, Kiplinger: ...

"The past history of stock prices cannot be used to predict the future in any meaningful way." In his book "A Random Walk Down Wall Street," Burton Malkiel takes on a number of investing strategies, ...