Assume Google has a short interest of 75 million shares, while the average daily volume of shares traded is 70 million. Its current price is $450 and its average price over the last 30 days is $400. Google's short interest ratio is:

To maximize profits, a perfectly competitive firm should do all of the following except:
I). produce until economic profits are maximized.
II). produce until marginal cost equals price.
III). produce until marginal revenue equals marginal cost.
IV). produce until per unit profits are maximized.

Which of the following is not a valid reason for selecting a sample instead of studying the whole population?

Suppose that the probability of A is 0.80 and the probability of B is 0.60, if A and B are independent events, what is the probability of A or B?

You meet a friend at lunch. He tells you that his firm, XYZ, has just landed a government contract that will double revenues at the firm. This will be announced at a news conference tomorrow.
I). You should advise clients to buy the stock as soon as you return to the office.
II). You should encourage your friend to disclose this information immediately.
III). You should refrain from trading on the information until it is publicly released.