Showing 1 - 4 of 4
Several empirical studies have shown the inadequacy of the standard Brownian motion (sBm) as a model of asset returns. To correct for this evidence some authors have conjectured that asset returns may be independently and identically Pareto-Lévy stable (PLs) distributed, whereas others have...
Persistent link: https://www.econbiz.de/10013004318
This study uses two data mining methodologies: Classification and Regression Trees (C&RT) and Generalized Rule Induction (GRI) to uncover patterns among daily cash closing prices of eight currency markets. Data from 2000 through 2009 is used, with the last year held out to test the robustness of...
Persistent link: https://www.econbiz.de/10013118009
The standard hypothesis concerning the behavior of asset returns states that they follow a random walk in discrete time or a Brownian motion in continuous time. The Brownian motion process is characterized by a quantity, called the Hurst exponent, which is related to some fractal aspects of the...
Persistent link: https://www.econbiz.de/10014220908
In this chapter the authors seek to provide a general overview of the international markets for foreign exchange (FX) and FX derivatives as well as the theoretical relationships that tie these markets together with interest rates and central bank policies. The first section provides a brief...
Persistent link: https://www.econbiz.de/10013131101