The demand for new homes in United States is often described as highly cyclical and very sensitive to housing prices and interest rates. Given these characteristics, describe the effect of each of the following on the quantity demanded or the demand for new homes. Indicate whether the effect of each of the following is an upward or downward movement along a given demand curve or instead involves an outward or inward shift in the relevant demand curve for new homes.
Explain your answers.
a. A decrease in the average price of new homes.
b. A fall in U.S. interest rates
c. A rise in the price of pre-owned homes.
d. A rise in the price of airline tickets.