Changes in demand

Indicate whether the following change in economic circumstance, ceteris paribus, will increase, decrease, or have no effect on the demand for product X.

a.Decrease in income, assume product X is a normal good

b.Decrease in the price of Y, products X and Y are substitutes

c. Increase in the price of Z, products X and Z are complements

d.Buyers expect the price of X to decrease in the near future

e.Decrease in the price of X