Rotemberg, J. J. (1999). A heuristic method for extracting smooth trends from economic time series. National Bureau of Economic Research.
Chicago-viite (17. p.)Rotemberg, Julio J. A Heuristic Method for Extracting Smooth Trends from Economic Time Series. Cambridge: National Bureau of Economic Research, 1999.
MLA-viite (9. p.)Rotemberg, Julio J. A Heuristic Method for Extracting Smooth Trends from Economic Time Series. National Bureau of Economic Research, 1999.
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