
FILE - Economist Alan Greenspan, chairman of the Federal Reserve from 1987 to 2006, is seen in his office in Washington, Friday, Oct. 18, 2013. (AP Photo/J. Scott Applewhite, file)

FILE - Economist Alan Greenspan, chairman of the Federal Reserve from 1987 to 2006, is seen in his office in Washington, Friday, Oct. 18, 2013. (AP Photo/J. Scott Applewhite, file)