This paper provides a framework that decomposes aggregate total factor productivity ("TFP") into a component reflecting relative efficiency across sectors, and another component that reflects the absolute level of efficiency. A development accounting analysis suggests that as much as 85% of the...

We investigate how social composition affects competitive and cooperative behaviour in a linear growth model without secure property rights. If a society is homogeneous or highly fractionalized, it is in the self-interest of people to cooperate. The first-best allocation is enforced through...