This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Cropped, black and white, add formula. The original can be viewed here: Loi d'Okun.png: . Modifications made by Jtneill.
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This image is a derivative work of the following images:
2006-04-04T04:18:43Z Gribeco 480x384 (34383 Bytes) Illustration de la loi d'Okun avec légende en français. Adaptation de [[Image:Okuns_law_charter_quarter.JPG]] Okun's law. Quarterly GNP growth (NOT ANNUALIZED) and change in the unemployment rate. US data from US agencies