-of-the-week effects in returns and volatility using the Nigerian stock exchange (NSE-30). The Gaussian, Student-t, and the Generalized … are sensitive to error distribution. Our finding also shows that evidence of good or bad news in volatility does not only …

stock of recent theoretical insights on this model in Duchon et al. (2012) to derive forecasts of financial volatility … the RV framework. We compare the predictive ability of the two against seven classical and multifractal volatility models …

used to test for asymmetric responses of the volatility …

, notably in the case of the world equity risk premium. Finally, long-run risks are detected in all asset portfolios including …

This paper uses R/S analysis and fractional integration techniques to investigate persistence in the passion investment … Carat indices) or even random (Polished Prices Diamond Index). The dynamic R/S analysis also shows that persistence is time …

This paper examines persistence in the cryptocurrency market. Two different longmemory methods (R/S analysis and …) over the sample period 2013-2017. The findings indicate that this market exhibits persistence (there is a positive …

This paper examines persistence in the cryptocurrency market. Two different long-memory methods (R/S analysis and …) over the sample period 2013-2017. The findings indicate that this market exhibits persistence (there is a positive …

. The results indicate that persistence is higher at lower frequencies, for both returns and their volatility. This is true …This paper investigates persistence in financial time series at three different frequencies (daily, weekly and monthly …

. The results indicate that persistence is higher at lower frequencies, for both returns and their volatility. This is true …This paper investigates persistence in financial time series at three different frequencies (daily, weekly and monthly …