differential theory as the steady state of a neoclassical growth model. Numerical results show that even very small frictions to … labor and capital mobility along with small changes in local productivity or local quality of life suffice to cause highly …

large shock which redistributed productivity across its localities; that circa 1960, quality of life became more important … differential theory as the long run steady state of a Ramsey-Cass-Koopmans growth model. Numerical results show that even very … small frictions to both labor and capital mobility along with small changes in either underlying local productivity or local …

contribution from coastal proximity to productivity and quality of life. Extensively controlling for correlated natural attributes … productivity or quality of life, but not to both, suggests that the coastal concentration derives primarily from a productivity …