Browsing by Subject "C22"

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Browsing by Subject "C22"

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    Title: Exponential GARCH Modeling with Realized Measures of Volatility  Author(s): HANSEN, Peter Reinhard; HUANG, Zhuo Date: 2012 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: We introduce the Realized Exponential GARCH model that can utilize multiple realized volatility measures for the modeling of a return series. The model specifies the dynamic properties of both returns and realized measures, ...
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    Title: Markov-Switching MIDAS Models  Author(s): GUÉRIN, Pierre; MARCELLINO, Massimiliano Date: 2011 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: This paper introduces a new regression model - Markov-switching mixed data sampling (MS-MIDAS) - that incorporates regime changes in the parameters of the mixed data sampling (MIDAS) models and allows for the use of ...
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    Title: Forecasting Annual Inflation with Seasonal Monthly Data: Using Levels versus Logs of the Underlying Price Index  Author(s): LUETKEPOHL, Helmut; XU, Fang Date: 2009 Type of Publication: Working Paper Series/Report no.: EUI MWP Abstract: This paper investigates whether using natural logarithms (logs) of price indices for forecasting inflation rates is preferable to employing the original series. Univariate forecasts for annual inflation rates for a number ...
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    Title: The Role of log Transformation in Forecasting Economic Variables  Author(s): LUETKEPOHL, Helmut; XU, Fang Date: 2009 Type of Publication: Working Paper Series/Report no.: EUI MWP Abstract: For forecasting and economic analysis many variables are used in logarithms (logs). In time series analysis this transformation is often considered to stabilize the variance of a series. We investigate under which ...
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    Title: Forecasting Aggregated Time Series Variables: A Survey  Author(s): LUETKEPOHL, Helmut Date: 2009 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: Aggregated times series variables can be forecasted in different ways. For example, they may be forecasted on the basis of the aggregate series or forecasts of disaggregated variables may be obtained first and then these ...
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    Title: Parameter Estimation in Nonlinear AR-GARCH Models  Author(s): MEITZ, Mika; SAIKKONEN, Pentti Date: 2008 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: This paper develops an asymptotic estimation theory for nonlinear autoregressive models with conditionally heteroskedastic errors. We consider a functional coe cient autoregression of order p (AR(p)) with the conditional ...
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    Title: Sample Kurtosis, GARCH-t and the Degrees of Freedom Issue  Author(s): HERACLEOUS, Maria S. Date: 2007 Type of Publication: Working Paper Series/Report no.: EUI MWP Abstract: Econometric modeling based on the Student's t distribution introduces an additional parameter -- the degree of freedom. In this paper we use a simulation study to investigate the ability of (i) the GARCH-t model (Bollerslev, ...
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    Title: Sample Kurtosis, GARCH-t and the Degrees of Freedom Issue  Author(s): HERACLEOUS, Maria S. Date: 2007 Type of Publication: Working Paper Series/Report no.: EUI ECO Abstract: Econometric modeling based on the Student’s t distribution introduces an additional parameter — the degree of freedom. In this paper we use a simulation study to investigate the ability of (i) the GARCH-t model (Bollerslev, ...