The following yields on U.S. Treasury securities were published in The Wall Street Journal on January 28, 2011:
Term Rate
6 months........................0.17%
1 year.................................0.26
2 years...............................0.60
3 years...............................1.01
5 years...............................1.98
7 years...............................2.72
10 years.............................3.40
20 years.............................4.29
30 years.............................4.57
Plot a yield curve based on these data. Discuss how each term structure theory can explain the shape of the yield curve you plot.