【判断题】An industry is a natural monopoly when a single firm can supply a good or service to an entire market at a smaller cost than could two or more firms.
【单选题】( ) is a market structure in which firms have market power (the ability to raise price profit- ably above marginal cost) but no additional firm can enter and earn positive profits.
C.
Monopolistic competition
【多选题】与固溶体相比,金属化合物的性能特点是 。
【单选题】When a single firm can produce output over the relevant range of demand more efficiently than two or more firms can, because of the existence of economies of scale, we have:
B.
monopolistic competition.
C.
diseconomies of scale.
【单选题】For a monopoly, marginal revenue is less than price because
A.
the demand for the firm's output is perfectly elastic
B.
the firm has no supply curve.
C.
the demand for the firm's output is downward sloping.
D.
the firm can sell all of its output at any price.
【单选题】A computer software firm has developed a new and better spreadsheet program. The program is protected by copyrights, so the firm can act as a monopolist for this product. The demand function for the s...
【单选题】A computer software firm has developed a new and better spreadsheet program. The program is protected by copyrights, so the firm can act as a monopolist for this product. The demand function for the s...
【多选题】与固溶体相比,金属化合物的性能特点是()
【单选题】A monopoly firm can sell 150 units of output for $10 per unit. Alternatively, it can sell 151 units of output for $9.95 per unit. The marginal revenue of the 151st unit of output is