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obtained from discrete time models by comparing them with high-frequency ex post estimates (e.g. realised volatility) based on … continuous time theory. In explanatory financial variability modelling this raises several methodological and practical issues … properties of operational and practical procedures for the forecast evaluation of explanatory discrete time models of financial …
Persistent link: https://www.econbiz.de/10010332964
investment horizons. This change in behavior leads to less volatility and less mispricings. When the tax rate exceeds a certain …
Persistent link: https://www.econbiz.de/10010299955
Machine Learning ist ein Forschungsfeld mit großen Potenzialen und weitreichenden Anwendungspotenzialen. Big Data kann dabei als Enabler angesehen werden, da große und qualitativ hochwertige Daten stets die Grundlage für erfolgreiche Machine Learning-Algorithmen und -Modelle darstellen....
Persistent link: https://www.econbiz.de/10014504476
We investigate the marginal predictive content of small versus large jump variation, when forecasting one …. Investors prefer stocks with a high probability of having positive jumps, but they also tend to overweight safer industries …, even when controlling for these variables. By analyzing earnings announcement surprises, we find that large jumps are …
Persistent link: https://www.econbiz.de/10012696282
African countries have over the years experienced persistent current account deficits. The role of asymmetries in explaining the response of trade balance to exchange rate movement has not received adequate attention as linear models dominate extant empirical literature. In this paper, we...
Persistent link: https://www.econbiz.de/10013470700
Persistent link: https://www.econbiz.de/10011695921
The capacity of input-output tables to reflect the structural peculiarities of an economy and to forecast, on this …
Persistent link: https://www.econbiz.de/10011551997
Financial markets witness high levels of activity at certain times but remain calm at others. This makes the flow of physical time discontinuous. Therefore, to use physical time scales for studying financial time series runs the risk of missing important activities. An alternative approach is to...
Persistent link: https://www.econbiz.de/10010310507
of them forecasting future mortality rates by extrapolating one or more latent factors. The abundance of proposed models … shows that forecasting future mortality from historical trends is non-trivial. Following the idea proposed in Deprez et al … learning estimator is then forecasted according to the Lee-Carter framework, allowing one to obtain a higher forecasting …
Persistent link: https://www.econbiz.de/10013200444
volatility. …
Persistent link: https://www.econbiz.de/10013201342