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market uncertainty and volatility of the investment instruments. Thus, the prediction of the uncertainty and volatilities of … to identify the best fit model that can predict the volatility of return of Bitcoin, which is in high demand as an … the residuals of the average equation model selected have ARCH effect. Volatility of Bitcoin return series after detection …
Persistent link: https://www.econbiz.de/10014382180
Bitcoin and other cryptocurrency returns show higher volatility than equity, bond, and other asset classes … reduce the forecasting errors in a high-volatility regime. We show that conventional time series modeling using ARMA and ARMA …
Persistent link: https://www.econbiz.de/10015433952
This chapter presents a unified set of estimation methods for fitting a rich array of models describing dynamic relationships within a longitudinal data setting. The discussion surveys approaches for characterizing the micro dynamics of continuous dependent variables both over time and across...
Persistent link: https://www.econbiz.de/10014024953
The Reversible Jump Markov Chain Monte Carlo (RJMCMC) method can enhance Bayesian DSGE estimation by sampling from a posterior distribution spanning potentially nonnested models with parameter spaces of different dimensionality. We use the method to jointly sample from an ARMA process of unknown...
Persistent link: https://www.econbiz.de/10010503919
We relax the standard assumption in the dynamic stochastic general equilibrium (DSGE) literature that exogenous processes are governed by AR(1) processes and estimate ARMA (p,q) orders and parameters of exogenous processes. Methodologically, we contribute to the Bayesian DSGE literature by using...
Persistent link: https://www.econbiz.de/10011901706
Financial assets often exhibit explosive price surges followed by abrupt collapses, alongside persistent volatility … explains time-varying volatility. We propose two estimation approaches: (i) Whittle-based frequency-domain methods, which are … reveal that overlooking noncausality biases GARCH parameters, downplaying short-run volatility reactions to news (𝛼) while …
Persistent link: https://www.econbiz.de/10015437136
This paper derives a new method for comparing the weak-form efficiency of markets. The author derives the formula of the Sharpe ratio from the ARMA-GARCH model and finds that the Sharpe ratio just depends on the coefficients of the AR and MA terms and is not affected by the GARCH process. For...
Persistent link: https://www.econbiz.de/10012296006
We relax the standard assumption in the dynamic stochastic general equilibrium (DSGE) literature that exogenous processes are governed by AR(1) processes and estimate ARMA (p,q) orders and parameters of exogenous processes. Methodologically, we contribute to the Bayesian DSGE literature by using...
Persistent link: https://www.econbiz.de/10011902326
The Reversible Jump Markov Chain Monte Carlo (RJMCMC) method can enhance Bayesian DSGE estimation by sampling from a posterior distribution spanning potentially nonnested models with parameter spaces of different dimensionality. We use the method to jointly sample from an ARMA process of unknown...
Persistent link: https://www.econbiz.de/10011335461
The standard state space model (SSM) treats observations as imprecise measures of the Markov latent states. Our flexible SSM treats the states and observables symmetrically, which are simultaneously determined by historical observations and up to first-lagged states. The only distinction between...
Persistent link: https://www.econbiz.de/10011108582