This paper examines the ability of alternative classes of growth models to explain the historical experience of the U.S. economy. The potential returns to the U.S. from raising its investment rate in terms of both the level and growth rate of future output are then quantified. The long-run...

This paper examines the ability of alternative classes of growth models to explain the historical experience of the U.S. economy. The potential returns to the U.S. from raising its investment rate in terms of both the level and growth rate of future output are then quantified. The long-run...