The table above gives Jane's total utility from magazines and CDs. The price of a magazine is $4 and the price of a CD is $10 and Jane's budget is $88. What is Jane's marginal utility per dollar spent on magazines at her consumer equilibrium?

Suppose the market basket of consumer goods and services costs $180 using the base period prices, and the same basket of goods and services costs $300 using the current period prices. The CPI for the current year period equals

A) 166.7. B) 66.7. C) 160.0. D) 60.0. E) 300.0.

An external effect that generates costs to a third party is called

a. free-ridership c. a negative externality b. a positive externality d. a marginal private cost