Which of the following types of bond typically has the highest yields? (The letters are Moody's ratings.)

If the United States sells computers to Russia, and uses the proceeds to buy shares of stock in Russian companies, the U.S. trade balance ________ and the U.S. financial account balance ________

A) rises; rises B) rises; falls C) falls; falls D) falls; rises

If an economist states that not enough of a good is being produced, she usually means that

A) not everyone can afford the good. B) price exceeds marginal cost. C) consumer surplus equals zero. D) at equilibrium, some people who still wish to sell the good cannot find a buyer.