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 investigates the degree of persistence of market fear. Specifically, two different long-memory approaches (R …/S analysis with the Hurst exponent method and fractional integration) are used to analyse persistence of the VIX index over the … future values), whilst during crisis period the level of persistence is increasing. These results can be informative about …

This paper investigates the degree of persistence of market fear. Specifically, two different long-memory approaches (R …/S analysis with the Hurst exponent method and fractional integration) are used to analyse persistence of the VIX index over the … properties change over time: in normal periods it exhibits anti-persistence (there is a negative correlation between its past and …

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 …

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 …. The results indicate that persistence is higher at lower frequencies, for both returns and their volatility. This is true …

This paper uses R/S analysis and fractional integration techniques to examine the persistence of two sets of 12 ESG and … degree of persistence and its dynamic behaviour. However, higher persistence is found for the emerging markets examined …

This paper investigates persistence in high-frequency, intraday data (and also daily and monthly ones) in the case of … exponent as a measure of persistence. The results indicate that persistence is sensitive to the data frequency. More … addition, persistence varies over time. These findings imply that the Efficient Market Hypothesis (EMH) only holds in the case …