If a firm sells 20 units of output at $15 per unit and 21 units of output when price is reduced to $14, its marginal revenue from selling the last unit is

With no international trade, a country ________ consume at a point outside of its PPF; with international trade, a country ________ consume at a point outside of its PPF

A) cannot; can B) can; can C) can; cannot D) cannot; cannot E) None of the above answers is correct because the presence or absence of international trade has nothing to do with where a country consumes in comparison to its PPF.

In the 1980s the CEO of Coca Cola corporation found out that its core business was making roughly 15% rate of return on investor capital

However, he also discovered that some of the newly acquired subsidiaries were not making anywhere near that amount. He decided to ask each of these companies to come up with a plan to push the rate of return closer to the 15% mark or he warned that these companies might be sold. Why would the CEO sell off companies or operations that are still profitable?