Fed Chair Janet Yellen Speaks At Fed Reserve Community Development Research Conference

WASHINGTON, DC - APRIL 02: Federal Reserve Bank Board Chairwoman Janet Yellen delivers welcoming remarks during the ninth biennial Federal Reserve System Community Development Research conference at the Marriott Wardman Park April 2, 2015 in Washington, DC. In her remarks Yellen spoke about the need for more research about trends that impact individual income inequality. (Photo by Chip Somodevilla/Getty Images)