different maturities.

a$.$ Approximately what real interest rate do Treasury securities offer investors at each maturity?

c$.$ Using your findings in part a$,$ select the appropriate yield curve for U$.$S$.$ Treasury securities$.$ Describe the general shape and expectations reflected by the curve.

d$.$ What would a follower of the liquidity preference theory say about how the preferences of lenders and borrowers tend to affect the shape of the yield curve in part c$?$

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