The standard model of Economic Development is Romer’s (1989, JPE 1990) adaptation* of Solow’s (1956, 1957) Model.  Basically, became Y = AKα(HL)(1-α) where the H stands for “human capital,” which multiplies the ability of labor. (Think high-skills labor—construction work, plumbing, teaching—where the worker continually “learns by doing” [op cit., Arrow, 1962]. The additional “human capital” … Continue reading The Cost of Labor