Reinhart, Carmen M.; Rogoff, Kenneth - C.E.P.R. Discussion Papers - 2010
We study economic growth and inflation at different levels of government and external debt. Our analysis is based on … findings are: First, the relationship between government debt and real GDP growth is weak for debt/GDP ratios below a threshold … of 90 percent of GDP. Above 90 percent, median growth rates fall by one percent, and average growth falls considerably …