When the Fed decreases the money stock, the money supply curve shifts to the ________ and the interest rate ________, everything else held constant

According to efficient market theory, which of the following can best predict the stock price of a particular company tomorrow?

A) a finance professor who knows a lot of investment theory B) a stock trader who has traded stocks for more than 10 years C) that company's employee who has inside information about the company D) none of the above: Everyone has an equal chance of predicting future stock prices

At a firm's profit-maximizing level of output, its price is $200 and its short-run average total cost is $225 . The firm

a. has a profit of $25 per unit of output. b. should shut down if its short-run average fixed cost is less than $25. c. has a loss of $100 per unit of output. d. should shut down if its short-run average variable cost exceeds $25.