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return volatility. Using stock market data from June 2002 to September 2016, we hypothesize that stocks with high positive … properties of volatility on listed stocks. We also conjecture that it is valid to use maximum likelihood procedures in estimating …
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modelling realized volatility of asset price over time. Initially, a few modelling assumptions of classical quantitative finance …-stressed periods deserves attention. Standard time series models are used for price and volatility forecasting over time and prediction …-term memory (LSTM) model is trained to make multi-step look-ahead return forecast to calculate realized volatility. LSTM approach …
Persistent link: https://www.econbiz.de/10014238231
, a substantial increase in market-wide volatility, such as what happened in 2020 with the COVID-19 pandemic, can render …
Persistent link: https://www.econbiz.de/10013296845
We consider cointegration rank estimation for a p-dimensional Fractional Vector Error Correction Model. We propose a new two-step procedure which allows testing for further long-run equilibrium relations with possibly different persistence levels. The first step consists in estimating the...
Persistent link: https://www.econbiz.de/10010244531
The (quasi-) maximum likelihood estimator (MLE) for the autoregressive parameter in a spatial autoregressive model cannot in general be written explicitly in terms of the data. The only known properties of the estimator have hitherto been its first-order asymptotic properties (Lee, 2004,...
Persistent link: https://www.econbiz.de/10010126876
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We revisit Wintenberger (2013) on the continuous invertibility of the EGARCH(1,1) model. We note that the definition of continuous invertibility adopted in Wintenberger (2013) may not always be sufficient to deliver strong consistency of the QMLE. We also take the opportunity to provide other...
Persistent link: https://www.econbiz.de/10011401308