Sein neues Buch, Poor Numbers: How We Are Misled by African Development Statistics and What to Do about It, argumentiert überzeugend, dass viele Messgrößen für das BIP anders als bisher angenommen alles andere als präzise sind.
Il suo nuovo libro, Poor Numbers: How We Are Misled by African Development Statistics and What to Do about It, sostiene la tesi secondo cui gran parte delle misurazioni del Pil che pensavamo accurate non lo sono affatto.