foreign exchange markets. -- Random Lognormal cascades ; GMM estimation ; best linear forecasting ; volatility of financial … Generalized Method of Moments (GMM) estimation procedure to cope with the documented difficulties of previous methodologies. We … by estimating the intermittency parameter and forecasting of volatility for a sample of financial data from stock and …

Mean reversion, volatility persistence, long memory, time scales, stochastic volatility, GARCH, spurious long memory … stock market crashes. Turning to the second moment of the return distribution, expected volatility, I consider mean …