Assume Joe invests a total of $10,000 in a company - $5,000 of which is his own money and $5,000 which he borrowed at a 10% interest rate. If the company's stock value increases by 20% in one year at which time Joe sells his shares of the stock, what is Joe's rate of return on his investment?

Because of the problem of second-hand smoke, if unregulated, the market for cigarettes would produce a quantity that is too ____ at a price that is too ____ when compared to the socially optimal results

a. low; low b. high; low c. low; high d. high; high

As an economy moves from point to point along its production possibilities curve, which one of the following variables changes?

A) the total amount of resources employed B) the level of technology C) the level of efficiency of some factors of production D) the amount of each good or service produced