In game theory, a strategy that is optimal no matter what your opponent does is called a dominant strategy

Suppose that you are spending two hours a day studying economics, and your grade is 85 percent. You want a higher grade and decide to study for an extra hour a day. As a result, your grade rises to 90 percent. Your marginal benefit is the

A) 5 point increase in your grade minus the opportunity cost to you of spending the hour studying. B) extra hour per day you spend on studying. C) 5 point increase in your grade. D) three hours per day you spend on studying.

The two most important categories of assets on the Fed's balance sheet are ________ and ________ because they earn interest

A) discount loans; coins B) securities; discount loans C) gold; coins D) cash items in the process of collection; SDR certificate accounts