@DuncanWeldon @Birdyword @DEHEdgerton Add Maddisons PPP GDP data & Broadberry on manuf productivity to @DEHEdgerton… https://t.co/WyGj4D5c9g
@NathanLazarus3 @paulkrugman @LRB I think you are right about this. But allow the construction as an argumentative device rather than
@NathanLazarus3 @paulkrugman @LRB I think you are right about this. But allow the construction as an argumentative device rather than as a truly deep appreciation