To test efficiency, economists mail fake letters Current Status: Blessed (1) Change Status: BlessedPublishedUnpublishedRestoredQuarantinedDuplicatedCensored Holly Ramer, Associated Press Wed Aug 8, 2012 9:59 AM us-newsuselvis-presleyexperimentpostaldartmouth-college Tweet Discuss: ! keyboard shortcuts: V vote up article J next comment K previous comment
