How does the liquidity premium theory of the term structure of interest rates differ from the unbiased expectations theory? In a normal economic environment, that is$,$ an upwardsloping yield curve, what is the relationship of liquidity premiums for successive years into the future? Why?

What is a forward interest rate?

What is the relationship between present values and interest rates as interest rates increase?

What is the difference between a required rate of return and an expected rate of return?