Density Forecasts and Time-Varying Volatility
Quasi Bayesian estimation of time varying volatility in DSGE models
... resulting volatility estimates di¤er from existing approaches in two ...the time variation enters nonparametrically, so that our approach ensures consistent estimation in a wide class of processes, thereby ...
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Real-Time Density Forecasts from VARs with Stochastic Volatility
... report time series of the normalized forecast errors, with bands representing 95 percent intervals for the normal ...stochastic volatility suffer seemingly important departures from the standard normal ...
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Real-time density forecasts from VARs with stochastic volatility
... in forecasts at different ...increases, forecasts are increasingly determined by the steady ...example, forecasts of the Fed funds rate from the rolling BVAR ...the forecasts from the model ...
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Efficient Evaluation of Multidimensional Time-Varying Density Forecasts with an Application to Risk Management
... December 2009 Abstract We propose two simple evaluation methods for time varying density forecasts of continuous higher dimensional random variables. Both methods are based on the probability ...
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Evaluating the time-varying impact of economic data on the accuracy of stock market volatility forecasts
... forecasting volatility roughly during these time ...improves forecasts in low volatility periods while leading to clearly worse forecasts in the high volatility ...return ...
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Time-varying Models for Macroeconomic Forecasts
... Acknowledgments First, I would like to express my deep appreciation to my supervisors, Dr. Joshua Chan, Dr. Timothy Kam, Dr. Shaun Vahey, and Dr. Rodney Strachan for their inspiring discussion during my study at the ...
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Learning and Time-Varying Macroeconomic Volatility
... macroeconomic volatility in the ...in volatility in the ...higher volatility in the 1960s-1970s than later ...in volatility roughly matches the size of the Great ...
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Option Pricing with Time Varying Volatility
... Of course the Black-Scholes framework has also several drawbacks which are direct consequences of those assumptions that make it so attractive. One of them comes out from the hypothesis that the logarithmic return of the ...
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The Time Varying Volatility of Macroeconomic Fluctuations
... when these variants are considered, the decline in the variability of GDP growth is once again largely attributed to a reduction in the volatility of investment speci…c technology shocks. 6.4.1. Changes in ...
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The Time Varying Volatility of Macroeconomic Fluctuations
... when these variants are considered, the decline in the variability of GDP growth is once again largely attributed to a reduction in the volatility of investment speci…c technology shocks. 6.4.1. Changes in ...
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The value premium and time-varying volatility
... return volatility and past idiosyncratic risk, a third explanation to account for the observed positive relation between the value premium and time-varying volatility relates to the idea that ...
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Testing explosive bubbles with time varying volatility
... the volatility at each point in time, which is of course unknown in ...kernel-based volatility function estimator, and we show that substitution of this estimator in place of the true ...
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Implied Volatility with Time Varying Regime Probabilities
... every time period. The regime probability varies in time according to a regime ...implied volatility, the returns of the options’ underlying asset would work well as an indicator: a large change in ...
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Implied Volatility with Time-Varying Regime Probabilities
... every time period. The regime probability varies in time according to a regime ...implied volatility, the returns of the options’ underlying asset would work well as an indicator: a large change in ...
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Time Varying Volatility in the Indian Stock Market
... high volatility and therefore offers good oppor- tunity to the investors to make safe returns on Sensex and Nifty, and, on the contrary, in the month of Sep- tember, ...the time when third quarter corporate ...
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Option Pricing with Constant & Time Varying Volatility
... constant volatility sends us into territory where it becomes necessary to estimate and forecast volatilities in order to deal with the reality that volatility is in fact time ...of volatility ...
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Estimation and selection of time-varying volatility models
... Interestingly, it is the normal distributed, rather than the t-distributed, EGARCH(1,2,1) model which provides the best forecasts. The ranking is also quite consiste[r] ...
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Multivariate option pricing with time varying volatility and correlations
... discrete time framework used here is models formulated in continuous ...continuous time option pricing models, the number of multivariate extensions is ...discrete time framework may in fact provide ...
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Multivariate Option Pricing with Time Varying Volatility and Correlations
... discrete time framework used here is models formulated in continuous ...continuous time option pricing models, the number of multivariate extensions is ...discrete time framework may in fact provide ...
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Time-Varying Volatility and the Dynamic Behavior of the Term Structure
... We investigate: (1) whether or not the model can generate plausible shapes for the yield curve, (2) the relationship between the level of volatility in the bill market and the position a[r] ...
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