05/28/2009 05:12 am ET Updated May 25, 2011

Income Inequality Is Increasing: Economist

Emmanuel Saez, 36, a public economics expert teaching at the University of California at Berkeley, was awarded the 2009 John Bates Clark Medal last week. Nobody has done more to describe the broad changes in income distribution in the United States that have taken place during the last ninety years.

His most striking finding has been to confirm the widespread intuition that income inequality has been increasing -- that one of the key regularities of post-World War II economics had fallen apart.