: an increase of 1°F in the average summer temperature is associated with a reduction in the annual growth rate of state … it is found that a reduction of U.S. economic growth by up to one third could occur over the next century. …

income growth among regions. Empirical data seem to support the absolute convergence hypothesis for U.S. states, but the data … also show that natural resource-abundance is a significant negative determinant of growth. We find that natural resource … effects can fully explain the negative effect of natural resource abundance on growth. …