Internet/Excel Exercises (IEE)

1940 1950 1960 1970 1980 1990 2000 2010 0.0

2.5

5.0

7.5

10.0

12.5

15.0

17.5

Pe rc en t

3-Month Treasury Bill: Secondary Market Rate

Shaded areas indicate U.S. recessionsSource: Board of Governors of the Federal Reserve System (US) fred.stlouisfed.org