Feldstein, Martin S. - National Bureau of Economic Research (NBER) - 1999
The Medicare program of health care for the aged now costs more than $5,000 per enrollee, a national cost of more than $200 billion a year. The official projections that these costs will rise rapidly from 2.5% of GDP now to 5.5% of GDP in 2030 and 7% of GDP in 2070 assume that structural changes...