External shocks include all of the following except

Which of the following will cause an increase in U.S. imports?

Ceteris paribus, if average prices in the U.S. economy fall, then the

Unlike the classical economists, Keynes asserted that

Which of the following is true about business cycles in the United States?

Which of these indicate that a work is truly scientific?

Which statement is TRUE about a DNA molecule? 

Which of these statements is CORRECT?

The ability to tolerate lactose throughout life most likely arose in ________.

You try to start your car, but it does not start. Which of these is a prediction?