Wealth concentration in the U.S. has increased over the past 25 years across multiple methodologies for measuring wealth. But the reasons for the increase—and the timing of the increase—are quite different. In this note, we show that most available estimates are fairly consistent in level...

A fundamental question in social sciences relates to the effect of wealth inequality on economic growth. Yet, in tackling the question, researchers have had to use income as a proxy for wealth. We derive a global measure of wealth inequality from Forbes magazine's listing of billionaires and...

A fundamental question in social sciences relates to the effect of wealth inequality on economic growth. Yet, in tackling the question, researchers have had to use income as a proxy for wealth. We derive a global measure of wealth inequality from Forbes magazine's listing of billionaires and...