Which of the following is a determinant of demand that would cause demand to increase? Income increases and the product is an inferior good. The price of a substitute decreases. The price of the product decreases. Income increases and the product is a normal good.

As the price of good X rises from 10 to 12, the quantity demanded of good Y rises from 100 units to 114 units. Are X and Y substitutes or complements? What is the cross elasticity of demand?

Which of the following would not cause market demand for a normal good to decline? a. An increase in the price of a substitute b. An increase in the price of a complement c. A decline in consumer income d. Consumer expectations that the good will go on sale in the near future e. An announcement by the Surgeon General that the product contributes to premature death