The following table shows the total dollar amount of sales in 2012 for the four largest firms in the adhesive manufacturing industry. Total industry sales in 2012 were $782,000. Use this table to answer the following questions:Firm NameSales in 2012Glues R Us$362,000Glue Down  105,000Sticky    85,000All Glues    76,000All other firms in industry combined  154,000 The four-firm concentration ratio in this industry is __________ percent.

Which of the following is a similarity between a perfectly competitive firm and a monopoly?

Use the following information to answer the following questions: The accompanying figure depicts the demand (D) curve for general admission concert tickets to see ECON-Jammin’, the world’s first economics rock band, which is scheduled to visit your city next month. The concert venue can accommodate 100 fans with a marginal cost (MC) of $10 per person. ECON-Jammin’ has recently discovered that its fans are made up of two distinct groups that can be easily distinguished. The band has decided to utilize its economic knowledge and offer a high-priced ticket of $40 per person and a low-priced ticket of $20 per person. Based on this information, what is the net revenue earned by the sales of the high-priced ticket?

Refer to the accompanying figure to answer the following questions. At the market equilibrium, price is equal to ________ units of the good are produced.

A pizza can be divided among two or more people. Why is it nonetheless a rival good?

After World War II, social norms relating to women’s participation in the labor force relaxed and women were more likely to be employed outside the home. We would expect to see the labor supply curve

Refer to the accompanying figure to answer the following questions. Consumer surplus associated with a profit-maximizing monopoly is equal to

The fundamental decision faced by workers is called:

If monopolistically competitive firms are making positive economic profits, firms would:

Which of the following is NOT a necessary characteristic of monopolies?