00355    a2200109   4500001001000000005001700010008004100027245006500068100002200133773007300155999001700228ART_4670620260410161926.0260409a                                 10aThe U.S. Productivity Slowdown: A Case of Statistical Myopia1 aDarby, Michael R.0 tThe American Economic Reviewg- Vol. 74, Nº 3 (jun. 1984)wREV16190  c28149d28149