manual: clarify moment_calibration
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@ -11286,7 +11286,10 @@ IRF and moment calibration can be defined in ``irf_calibration`` and
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When ``(INTEGER:INTEGER)`` is used, the restriction is considered
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to be fulfilled by a logical OR. A list of restrictions must
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always be fulfilled with logical AND.
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always be fulfilled with logical AND. The moment restrictions generally apply to
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auto- and cross-correlations between variables. The only exception is a restriction
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on the unconditional variance of an endogenous variable, specified as shown in
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the example below.
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*Example*
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@ -11294,12 +11297,12 @@ IRF and moment calibration can be defined in ``irf_calibration`` and
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moment_calibration;
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y_obs,y_obs, [0.5, 1.5]; //[unconditional variance]
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y_obs,y_obs(-(1:4)), +; //[sign restriction for first year acf with logical OR]
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y_obs,y_obs(-(1:4)), +; //[sign restriction for first year autocorrelation with logical OR]
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@#for ilag in -2:2
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y_obs,R_obs(@{ilag}), -; //[-2:2 ccf with logical AND]
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y_obs,R_obs(@{ilag}), -; //[-2:2 cross correlation with logical AND]
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@#endfor
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@#for ilag in -4:4
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y_obs,pie_obs(@{ilag}), -; //[-4_4 ccf with logical AND]
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y_obs,pie_obs(@{ilag}), -; //[-4_4 cross correlation with logical AND]
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@#endfor
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end;
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