One group of people uses New York City subways only during r…

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?

The following table shows the total dollar amount of sales i…

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.

The following payoff matrix depicts the possible outcomes fo…

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 ________.