%0 Journal Article %T El problema al final de la muestra en la estimaci¨®n de la brecha del producto %A Ant¨®n Sarabia %A Arturo %J Econom¨ªa mexicana. Nueva ¨¦poca %D 2010 %I Scientific Electronic Library Online %X this paper evaluates to what extent the end-of-sample problem inherent to the hodrick-prescott (hp) filter may be ameliorated when estimating the output gap. for that purpose, the filter of st-amant and van norden (1997) is proposed using mexican data under both univariate and multivariate methods. as a reference, the filter of christiano and fitzgerald (2003) and a simple linear trend method are also used. on average, the results suggest that both the univariate method of st-amant and van norden and the linear trend method may significantly decrease the end-of-sample problem of the hp filter. these results are used to interpret the conduct of monetary policy in mexico during 2001-2002. %K gdp trend %K output gap %K end-of-sample problem %K mexico. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S1665-20452010000100001&lng=en&nrm=iso&tlng=en