000 00427pab a2200145 454500
008 180718b2017 xxu||||| |||| 00| 0 eng d
100 _aBanerjee, Abhijit et al
245 _aFrom proof of concept to scalable policies: challenges and solutions, with an application
260 _c2017
300 _ap.73-102.
362 _aFall
650 _aEconomic policy
773 _aJournal of Economic Perspectives
909 _a116594
999 _c116588
_d116588