%0 Journal Article %A Agustín Maravall %A David A. Pierce %T Signals and revisions in economic time series: a case study. %J Qüestiió %D 1984 %P 49 %V 8 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/QUE_1984__8_2_40024/ %G en %F QUE_1984__8_2_40024