This week, *#TheAmericanProspect* is conducting a deep, critical dive into these two models, and into the enterprise of modeling itself. The series kicks off today with a pair superb pieces, one from Nobel economics laureate #JosephStiglitz, the other from *Prospect* editor-in-chief @ddayen and #RakeenMabud, chief economist for the #GroundworkCollaborative.

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