Exam 5: Competition and Monopoly: Virtues and Vices

Agricultural and fishing industries provide approximations of perfect competition.

Figure 5.1 Cost and Demand Conditions of a Perfectly Competitive Firm -Refer to Figure 5.1. The firm will maximize total economic profits by producing

If losses are being realized in a perfectly competitive industry, some firms will exit. This will shift the industry

If total revenue exceeds total variable cost, a firm should continue to produce in the short run because all of its variable costs and some or all of its fixed costs can be paid out of revenue.

Figure 5.1 Cost and Demand Conditions of a Perfectly Competitive Firm -Refer to Figure 5.1. If the firm's price falls to $35, it will

Cable companies and satellite broadcasters have both been able to attract many new customers by offering video, telephone, and high-speed Internet access.

Barriers to entry include patents, copyrights, control over essential inputs, and economies of scale.

As a price taker, a perfectly competitive firm

A monopolist's demand curve is

Proponents of vouchers say that a widespread system of vouchers will

For a perfectly competitive firm, price is always identical to

If economic profits are being earned in a perfectly competitive market, new firms will enter the market in the long run. Therefore, the market supply curve will shift leftward and the market price will increase.

A perfectly competitive firm has a demand curve that is

A perfectly competitive firm will maximize profits at that output level where marginal revenue equals

Marginal revenue represents the increase in total revenue resulting from the sale of another unit of output.

Opponents of vouchers say that a widespread system of vouchers will

A monopoly will always charge the highest price that consumers will bear and thus realize an economic profit.

Figure 5.1 Cost and Demand Conditions of a Perfectly Competitive Firm -Refer to Figure 5.1. The firm will realize economic profits by producing and selling any output

Figure 5.1 Cost and Demand Conditions of a Perfectly Competitive Firm -Refer to Figure 5.1. If the firm's price falls to $20, it will

Figure 5.1 Cost and Demand Conditions of a Perfectly Competitive Firm -Refer to Figure 5.1. At the profit-maximizing output, the firm's total revenue equals