If we assume a ten percent required reserve rate, and banks not holding any excess reserves and no change in currency holdings, an open market sale of $5 million of U.S. Treasury securities by the Fed, will result in deposits:

Why are perfectly competitive markets considered efficient?

What will be an ideal response?

Making optimal decisions "at the margin" requires

A) making consistently irrational decisions. B) weighing the costs and benefits of a decision before deciding if it should be pursued. C) making decisions according to one's whims and fancies. D) making borderline decisions.