Paul Krugman @paulkrugman
OK, this is interesting: the YCTAODNT (you can't teach an old dog new tricks) theory of the productivity slowdown.… https://t.co/LNtP1JDIRj — PolitiTweet.org
Adam Ozimek @ModeledBehavior
Read @Neil_Irwin on my new research suggesting aging of the workforce can explain a significant part of the product… https://t.co/wSxn5SDerE