Document new filter option
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@ -3703,13 +3703,27 @@ Number of points (burnin) dropped at the beginning of simulation before computin
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@item hp_filter = @var{DOUBLE}
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Uses HP filter with @math{\lambda} = @var{DOUBLE} before computing
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moments. Default: no filter.
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moments. If theoretical moments are requested, the spectrum of the model solution is filtered
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following the approach outlined in @cite{Uhlig (2001)}.
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Default: no filter.
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@item hp_ngrid = @var{INTEGER}
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Number of points in the grid for the discrete Inverse Fast Fourier
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Transform used in the HP filter computation. It may be necessary to
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increase it for highly autocorrelated processes. Default: @code{512}.
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@item bandpass_filter
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Uses a bandpass filter with the default passband before computing moments. If theoretical moments are
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requested, the spectrum of the model solution is filtered using an ideal bandpass
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filter. If empirical moments are requested, the @cite{Baxter and King (1999)}-filter
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is used.
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Default: no filter.
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@item bandpass_filter = @var{[HIGHEST_PERIODICITY LOWEST_PERIODICITY]}
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Uses a bandpass filter before computing moments. The passband is set to a periodicity of @code{HIGHEST_PERIODICITY}
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to @code{LOWEST_PERIODICITY}, e.g. 6 to 32 quarters if the model frequency is quarterly.
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Default: @code{[6,32]}.
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@item irf = @var{INTEGER}
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@anchor{irf}
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Number of periods on which to compute the IRFs. Setting @code{irf=0},
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@ -10769,7 +10783,7 @@ ts1 is a dseries object:
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@deftypefn {dseries} {@var{B} = } baxter_king_filter (@var{A}, @var{hf}, @var{lf}, @var{K})
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Implementation of the Baxter and King (1999) band pass filter for @dseries objects. This filter isolates business cycle fluctuations with a period of length ranging between @var{hf} (high frequency) to @var{lf} (low frequency) using a symmetric moving average smoother with @math{2K+1} points, so that K observations at the beginning and at the end of the sample are lost in the computation of the filter. The default value for @var{hf} is @math{6}, for @var{lf} is @math{32}, and for @var{K} is 12.
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Implementation of the @cite{Baxter and King (1999)} band pass filter for @dseries objects. This filter isolates business cycle fluctuations with a period of length ranging between @var{hf} (high frequency) to @var{lf} (low frequency) using a symmetric moving average smoother with @math{2K+1} points, so that K observations at the beginning and at the end of the sample are lost in the computation of the filter. The default value for @var{hf} is @math{6}, for @var{lf} is @math{32}, and for @var{K} is 12.
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@examplehead
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@example
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@ -12933,6 +12947,11 @@ Backus, David K., Patrick J. Kehoe, and Finn E. Kydland (1992):
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``International Real Business Cycles,'' @i{Journal of Political
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Economy}, 100(4), 745--775
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@item
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Baxter, Marianne and Robert G. King (1999):
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``Measuring Business Cycles: Approximate Band-pass Filters for Economic Time Series,''
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@i{Review of Economics and Statistics}, 81(4), 575--593
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@item
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Boucekkine, Raouf (1995): ``An alternative methodology for solving
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nonlinear forward-looking models,'' @i{Journal of Economic Dynamics
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@ -13129,6 +13148,11 @@ Smets, Frank and Rafael Wouters (2003): ``An Estimated Dynamic
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Stochastic General Equilibrium Model of the Euro Area,'' @i{Journal of
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the European Economic Association}, 1(5), 1123--1175
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@item
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Uhlig, Harald (2001): ``A Toolkit for Analysing Nonlinear Dynamic Stochastic Models Easily,''
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in @i{Computational Methods for the Study of Dynamic
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Economies}, Eds. Ramon Marimon and Andrew Scott, Oxford University Press, 30--61
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@item
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Villemot, Sébastien (2011): ``Solving rational expectations models at
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first order: what Dynare does,'' @i{Dynare Working Papers}, 2,
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