An oligopolist differs from a perfect competitor in that A. there is cutthroat competition in perfect competition but little competition in oligopoly because firms have significant market power.

B. firms in an oligopoly do not produce homogeneous products while firms in perfect competition do.

C. the market demand curve for a perfectly competitive industry is perfectly elastic but it is downward-sloping in an oligopolistic industry.

D. there are no entry barriers in perfect competition but there are entry barriers in oligopoly.

Costs of production that do not change when output changes.question 17 options: total revenuefixed incometotal costfixed cost

Martha entered into a contract with terry, an art dealer. according to the contract, terry was to supply 18 th century artifacts to martha for the play she was directing, and martha was ready to pay $50,000 for this. another director needed the same artifacts and was ready to pay $60,000. terry decided not to sell the artifacts to martha. in this case, the court may order terry to:

Lillypad toys is a manufacturer of educational toys for children. six months ago, the company's research and development division came up with an idea for a unique touchscreen device that can be used to introduce children to a number of foreign languages. three months ago, the company produced a working prototype, and last month the company successfully launched its new device on the commercial market. what should lillypad's managers prepare for next? a. increased competition from imitators b. a prolonged period of uncontested success c. a sharp decline in demand for the product d. a difficult struggle to move from invention to innovation