Suppose there are 100 firms each with a short run total cost of STC = q2 + q + 10, so that marginal cost is MC = 2q +1 . If market demand is given by QD = 1050 ? 50P, how much will be produced in the market?

When a nation exports a good, its total surplus ________, and when it imports a good, its total surplus ________

A) increases; increases B) decreases; decreases C) increases; decreases D) decreases; increases E) does not change; does not change

The downward slope of the demand for money curve reflects the fact that

A) people hold more of their wealth in the form of money as the price level rises. B) people hold more of their wealth in the form of money as the price level falls. C) people hold more of their wealth in the form of money as the interest rate rises. D) people hold more of their wealth in the form of money as the interest rate falls.