Use Figure 14-5 to explain why the zero lower bound meant that monetary policy could not provide as much stimulus to the economy in 2010

Use Figure 14-5 to explain why the €œzero lower bound€ meant that monetary policy could not provide as much stimulus to the economy in 2010 as implied by the Taylor Rule.
In Figure 14-5

The Taylor Rule implies That the Federal Funds Rate Was Too High in 1982-86 and Too Low in 2003-06 20 15 Actual federal funds rate 10 Taylor Rule -5 1980 19B2 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010