Our estimates suggest that a tax increase of 1 percent of GDP reduces output over the next three years by nearly 3 percent. The effect is highly significant. — Christina Romer Copy Share Image
“The best available estimates suggest that global per capita income increased by a factor of more than 10 between 1700 and 2012 (from 70 euros to 760 euros per month) and by a factor of more than 20 in the… — Thomas Piketty Copy Share Image
