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Which of the following industries is most likely an oligopoly?

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

All of the following options describe an oligopoly, except for one. Choose the one characteristic that does not describe firms in an oligopoly market structure.

When the price of pencils increases from $1.50 to $2.50, there is an increase in quantity demanded of pens from 100 to 150. The cross-price elasticity of demand between pencils and pens is

Priming effects

One group of people uses New York City subways only during rush hour to travel to and from work. Another group uses them only in midday for leisure activity. If New York City wants to increase transit fares with the smallest possible reduction in revenue, for which group should it increase the fare?

Refer to the accompanying figure to answer the following questions. The consumer surplus that is transferred to the monopolist as a result of the monopolist taking over the market is

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.

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

The following payoff matrix depicts the possible outcomes for two players involved in a game of Ping-Pong. At this point in the game, the ball has just been hit to Dagny Taggart, and she chooses whether to hit right or hit left. At the same time, John Galt chooses whether to defend right (Dagny’s right) or defend left (Dagny’s left). If a player receives a payoff of 1, the player wins the point; if the player receives a payoff of –1, the player loses the point. Use this information to answer the following questions: Dagny’s optimal strategy is to ________, and John’s optimal strategy is to ________.