List the three alternative explanations for the upward slope of the short run aggregate supply curve

"Market power" is an expression used to indicate that a firm has

a. no rivals. b. the power to sell a given output at whatever price it chooses. c. some freedom from the rigors of intense competition. d. a monopoly over the product it produces.

Property rights are well established for

a. private goods. b. public goods. c. common resources. d. both (b) and (c).