Illustrative projections of per capita income gaps between two groups of developing economies and the rich economies for the period 1998-2030 are made on the basis of an extended sources of growth equation which accounts for interactions between trends in capital and labor productivity. The...

There are regular counterclockwise cycles involving capacity utilization u (horizontal axis) and the labor share &psgr; (vertical axis) in the US economy since 1929. As in Goodwin's cyclical growth model, &psgr; can be interpreted as a Lotka-Volterra predator variable and u as prey. In a phase diagram,...