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Using Gretl, I apply ARMA, Vector ARMA, VAR, state-space model with a Kalman filter, transfer-function and intervention models, unit root tests, cointegration test, volatility models (ARCH, GARCH, ARCH-M, GARCH-M, Taylor-Schwert GARCH, GJR, TARCH, NARCH, APARCH, EGARCH) to analyze quarterly time...
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This manual describes the usage of the accompanying freely available Matlab program for estimation and testing in the … fractionally cointegrated vector autoregressive (FCVAR) model. This program replaces an earlier Matlab program by Nielsen and Morin … (2014), and although the present Matlab program is not compatible with the earlier one, we encourage use of the new program. …
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This paper describes a package which uses MATLAB functions and routines to estimate VARs, local projections and other …
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The recent economic crisis has altered the dynamics of economic series and, as a consequence, introduced uncertainty in seasonal adjustment of recent years. This problem was discussed in recent workshops at the European Central Bank and at Eurostat in the context of adjustment of the Euro Area...
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Many economic time series exhibit important systematic fluctuations within the year, i.e. seasonality. Differently from usual practice, we argue that using original data should always be considered, although their process is more complicated than that of seasonally adjusted data. Motivations to...
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We provide a fast algorithm for calculating the fractional difference of a time series. In standard implementations, the calculation speed (number of arithmetic operations) is of order T^2, where T is the length of the time series. Our algorithm allows calculation speed of order T log T. For...
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