Demand for a good will always rise when the price of a complementary good falls.the price of a substitute good falls.tastes change.incomes decrease.the price of the good falls.

If a strong economic recovery boosts average incomes, what would happen to the equilibrium price and quantity of a normal good and of an inferior good? The equilibrium price and quantity of a normal good would rise; those of an inferior good would fall. of a normal good would fall; those of an inferior good would rise. of a normal good would rise; those of an inferior good would also rise. of a normal good would fall; those of an inferior good would also fall.

An increase in quantity demanded is caused by an increase in the price of a substitute of the product. an increase in consumers' income. a decrease in the price of the product. a shift in tastes and preferences.

When quantity demanded decreases in response to a change in price for the good: the demand curve shifts to the left. there is a movement up and to the left along the demand curve. there is a movement down and to the right along the demand curve. the demand curve shifts to the right.