mean wealth over the 1983-1989, 1989-2001, 2001-2007, 2007-2010, and 2010-2013 periods, and implicit savings were negative … savings rates between the top one percent and the middle three wealth quintiles. Over 1983-1989, the higher savings rate of … the top group explained all the increase. Over 1989-2001, 2001-2007, and 2010-2013, their higher savings rate led to an …