Bacry, E.; Delour, J.; Muzy, J.F. - In: Physica A: Statistical Mechanics and its Applications 299 (2001) 1, pp. 84-92
Multifractal random walks (MRW) correspond to simple solvable “stochastic volatility” processes. Moreover, they provide a simple interpretation of multifractal scaling laws and multiplicative cascade process paradigms in terms of volatility correlations. We show that they are able to...