From the date a U.S. patent is granted to a firm, it ceases to be a potential source of monopoly profits after

The short-run aggregate supply curve is:

A. an upward-sloping curve that intersects the aggregate demand curve and the long-run aggregate supply curve. B. a vertical line that intersects the aggregate demand curve but not the long-run aggregate supply curve. C. a horizontal line that intersects the aggregate demand curve and the long-run aggregate supply curve. D. an upward-sloping curve located to the left of the long-run aggregate supply curve

Adverse selection is

a. when people act differently because they are insured b. when more risk averse people want to be insured more c. when people at greater risk want to be insured more d. when your guess at a test question is wrong