Piketty, Thomas - HAL - 2010
1950, and back up to about 15% by 2010. A simple theoretical model of wealth accumulation, growth and inheritance can fully … wealth accumulation well above 100%. Our findings illustrate the fact that when the growth rate g is small, and when the rate … of return to private wealth r is permanently and substantially larger than the growth rate (say, r=4%-5% vs. g=1 …