With respect to the demand for college enrollment, which of the following would cause (1) movement along the demand curve or (2) a shift of the demand curve?

a.An increase in incomes.b.Lower tuition.c.More student loans.d.An increase in textbook prices.

a. College enrollment is considered to be a normal good, i.e., an item where as income increases the demand for the product increases. As incomes increase, more people are able to purchase a college education and the demand for college education increases, shifting to the right

.b. Tuition is the price of a college education. As tuition decreases, the price of a college education decreases causing an increase in the quantity demanded of college education, a movement down and along the demand curve for college education.

c. When more student loans become available, more people can afford to purchase a college education and the demand curve for a college education increases shifting to the right

.d. Textbooks are considered to be a complement in consumption for a college education. In other words, these are items that are often consumed together. As the price of textbooks increase, the quantity of textbooks demanded decreases. As students purchase fewer textbooks, the demand for college education decreases shifting the demand curve to the left.