Showing 1 - 10 of 20
associated asymptotic theory. In this paper we derive necessary and sufficient conditions for strict stationarity and ergodicity …
Persistent link: https://www.econbiz.de/10011933956
through the comparison of simultaneous and sequential estimation, modelling tail credit risk using transition matrices …
Persistent link: https://www.econbiz.de/10010326266
Many macroeconomic forecasts and forecast updates like those from IMF and OECD typically involve both a model component, which is replicable, as well as intuition, which is non-replicable. Intuition is expert knowledge possessed by a forecaster. If forecast updates are progressive, forecast...
Persistent link: https://www.econbiz.de/10010326444
, including market-based estimation of stochastic volatility models, the fine structure of equity-index option dynamics, leverage …
Persistent link: https://www.econbiz.de/10010491382
The paper proposes a general asymmetric multifactor Wishart stochastic volatility (AMWSV) diffusion process which accommodates leverage, feedback effects and multifactor for the covariance process. The paper gives the closed-form solution for the conditional and unconditional Laplace transform...
Persistent link: https://www.econbiz.de/10010326219
In this paper we consider a nonlinear model based on neural networks as well as linear models to forecast the daily volatility of the S&P 500 and FTSE 100 indexes. As a proxy for daily volatility, we consider a consistent and unbiased estimator of the integrated volatility that is computed from...
Persistent link: https://www.econbiz.de/10011807392
There is substantial empirical evidence that energy and financial markets are closely connected. As one of the most widely-used energy resources worldwide, natural gas has a large daily trading volume. In order to hedge the risk of natural gas spot markets, a large number of hedging strategies...
Persistent link: https://www.econbiz.de/10011526124
corresponding statistical properties of this model, discuss the spectral likelihood estimation and investigate the finite sample …
Persistent link: https://www.econbiz.de/10012610989
. We examine the statistical properties of the new model, suggest using the spectral likelihood estimation for long memory …
Persistent link: https://www.econbiz.de/10011526121
This paper examines the issue of coercive journal self citations and the practical usefulness of two recent journal performance metrics, namely the Eigenfactor score, which may be interpreted as measuring “Journal Influence”, and the Article Influence score, using the Thomson Reuters ISI Web...
Persistent link: https://www.econbiz.de/10010326262