the four-firm concentration ratio in an industry increases, the industry   a.  may or may not have become less competitive.     b.  must have become less competitive, although not necessarily a monopoly.     c.  must have become more competitive.     d.  must have become a monopoly.

Answer the following question based on the graph below, which is for Blue Smooth Yoga Mats Ltd. one of 50 small firms operating in the industry. Price, costs 90 15 75 60 60 45 30 15 0 D MR AC MC 125 250 375 500 625 750 875 1000 1251250 Quantity per period a. What is the profit-maximizing output? Output: b. What price will the firm charge? Price: $ c. How much excess capacity exists at the output in (a)? Excess capacity:

answer is C. explain why and draw graph

The figure below shows demand, marginal revenue, and short-run cost curves for a monopoly: a. How much should the firm produce? What price should it charge? b. What is the firm’s profit (loss)? Should this firm produce or shut down? Explain. c. If the firm shuts down in the short run, how much will it lose?

Explain the various reasons behind emergence of monopoly. Explain in detail. No AI used

A natural monopoly occurs when A. marginal cost is constant. B. average cost is declining. C. marginal cost is below average cost. D. All of the above are true.

How does the monopoly quantity (assuming no price discrimination) compare to the competitive quantity? Assume normally shaped demand (decreasing, not completely elastic or inelastic ) a.The monopoly quantity is higher b.The monopoly quantity is lower c.There is not enough information provided to be sure. d.The monopoly quantity is the same. Which one?

As long as _________ exist, a monopolist can earn positive profits in the long run A.Entry barriers B.Maximum prices C.Brands

In long run equilibrium, monopoly prices are set a level where: a.Industry Demand Equals Industry Supply b.Price Exceeds Marginal Revenue c. Price Equals Marginal Cost d. Price Exceeds Average Revenue

The size of a firm is more important than market share in determining market power for an industry or product. A. True B. False