Suppose Jack and Kate are at the town fair and are choosing which game to play. The first game has a bag with four marbles in it-1 red marble and 3 blue ones. The player draws one marble from the bag; if it is red, they win $20 and if it is blue, they win $1. The second game has a bag with 10 marbles in it-1 red, 4 blue, and 5 green. The player draws one marble from the bag; if it is red, they win $20; if it is blue, they win $5; and if it is green, they win $1. Both games cost $5 to play. What is the expected value of the payoff in the first game?
A. $4.75
B. $4.50
C. $5.75
D. $5.00
Answer: C
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The only two firms in a market are trying to decide what price to charge. The payoff matrix for this duopoly game is shown above. The payoffs are thousands of dollars of economic profit. Which of the following statements is correct?
A) If the firms play this game repeatedly, one would end up charging $20 and the other $10. B) If the firms cooperate, they could both earn $55,000 in economic profit. C) The Nash equilibrium in this game is for both firms to set P = $20 because that maximizes their combined profit. D) Firm B's strategy is to always set P= $20 because that gives Firm B the highest possible profit. E) If Firm B sets P = $20, then Firm A will maximize its profit by setting its P = $20.
Politicians have an incentive to favor short-run policies because _____
a. because voters suffer from myopia b. of special interests c. they may be voted out of office before long-run policies bear fruit d. of rational ignorance
Established in 1862, the Department of Agriculture's functions during the 19th and early 20th century included all of the following except
a. research and experimentation on plant and animal breeding. b. regulation of agricultural prices and output. c. distribution of information through publications and experiment stations. d. regulation of quality through inspection of meat and dairy products.
Geographically, a higher percentage of the poor live in the
a. Northeast. b. South. c. Midwest. d. West.