The degrees of freedom in a regression equation is the number of observations minus the number of estimated coefficients

Say's law argues that

I. overproduction is typical in a market economy. II. supply creates its own demand. A) I only B) II only C) Both I and II D) Neither I nor II

A national chain of bookstores has initiated a frequent buyer program. If you buy a frequent buyer card for $10, you are entitled to a 10 percent discount on all purchases for 1 year. This practice is an example of:

A) peak-load pricing. B) intertemporal price discrimination. C) two-part tariff. D) bundling. E) Both A and B are correct.