The concept of spot and forward rates is most closely associated with which of the following explanations of the term structure of interest rates? 
 
 
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 A)  | 
Segmented market theory. |    |  
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 B)  | 
Expectations hypothesis. |    |  
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 C)  | 
Liquidity premium theory. |    |    
 
 
The pure expectations theory purports that forward rates are solely a function of expected future spot rates. In other words, long-term interest rates equal the mean of future expected short-term rates. This implies that an investor could earn the same return by investing in a 1-year bond or by sequentially investing in two 6-month bonds. The implications for the shape of the yield curve under the pure expectations theory are: 
- If the yield-curve is upward sloping, short-term rates are expected to rise. 
 - If the curve is downward sloping, short-term rates are expected to fall. 
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