{smcl}
{* *! version 1.2.10  09jan2008}{...}
{cmd:help bnmult} {right:dialogs:  {bf:{dialog bnmult}}  {dialog regress, message(-svy-) name(svy_bking):svy: bnmult}{space 4}}
{right:also see:  {help var postestimation}   }
{right:{help var postestimation ts}}
{hline}

{title:Title}

{p2colset 5 20 22 2}{...}
{p2col :{hi:[B] bnmult} {hline 2}}Beveridge and Nelson multivariate decomposition{p_end} {break}
{p2col : by Freddy Rojas}
{p2colreset}{...}


{title:Syntax}

{p 8 16 2}
{opt bnm:ult} {varlist} 
   [{cmd:,} {it:options}]

{synoptset 20 tabbed}{...}
{synopthdr}
{synoptline}
{syntab:VAR}
{synopt :{opt l:ags(#)}}lags in VAR estimation{p_end}

{syntab:Stationarity}
{synopt :{opt vario(varlist)}}Stationarity variables in VAR estimation{p_end}

{synoptline}
{p 4 6 2}

{title:Description}

{pstd}
{cmd:bnmult} performs Beveridge & Nelson' multivariate decomposition of {varlist}.

{pstd}

{title:Options}

{dlgtab:VAR}

{phang}
{opt lags}; indicates number of lags considered in VAR model, default value is 1. 

{phang}

{title:Examples:  bnmult }

{pstd}Obtaining cycle data from original data{p_end}
{phang2}{cmd:. bnmult var1 var2 var2, lags(3)}{p_end}

{pstd}Suppressing lags and using default value{p_end}
{phang2}{cmd:. bnmult var1 var2 var3, lags()}{p_end}

{phang2}{cmd:. bnmult var1 var2 var3}{p_end}

{title:Saved results}

{pstd}
{cmd:bnmult} saves the following in {cmd:r()}:

{synoptset 15 tabbed}{...}
{p2col 5 15 19 2: matrices}{p_end}
{synopt:{cmd:r(cycle)}}cycle of each serie{p_end}

{synoptset 15 tabbed}{...}
{p2col 5 15 19 2: variables}{p_end}
{synopt:{cmd:cycle_{it:varlist}}}cycle of each serie{p_end}


{title:Reference}

{phang}
Morley, J. 2002. A state Space approach to calculating the Beveridge -Nelson 
decomposition. 
{it:Economic Letters} 75: (2002) 123-127.

{phang}
Beveridge, S., Nelson, C.R., 1981. A new approach to the decomposition of economic time series into permanent and
transitory components with particular attention to measurement of the business cycle. 
{it:Journal of Monetary Economics} 7, 151–174.


{title:Also see}

{psee}
Manual:  {bf:[B] bking}

{psee}
Online:  {manhelp bking R: bking}
{p_end}