1. What is the difference between a movement along and shift of the demand curve? Let us consider the demand for DVDs. What will cause a movement along the demand curve for DVDs and what will cause the demand curve for DVDs to shift? How will the curve shift? To the right or the left? Why?
2. Ice cream can be a normal good but for some people vanilla ice cream can be an inferior good. Discuss how that is possible. Give an example of a good that you consider normal and one that you consider inferior.