Wednesday, January 23, 2013

Supply & Demand | Complementary Good



Home mortgage loans and new homes are complementary goods. Interest rates fell beginning in the fall of 2001 and stayed at historically low levels for several years. Using the supply and demand model, discuss how falling interest rates affect the equilibrium price and quantity of the new home market.





















Your Answer:
Falling interest rates cause the monthly payments for a new home to fall, all else remaining equal, which makes the purchase of a new home more affordable. 

As the interest rate and monthly mortgage payments fall, the demand for new homes increases, since mortgages and new homes are complementary products. The increase in demand for new homes is illustrated by a right shift in the demand curve. 

All else remaining equal, the equilibrium price and quantity of new homes will rise when interest rates fall.

Source: Pindyck / Rubinfeld, Microeconomics, 7th edition, Pearson



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