Whenever any firms in a concentrated industry merge, the Herfindahl-Hirschman Index:
a. will rise
b. may rise or stay the same.
c. may rise or fall.
d. will fall.
a
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Player 1 and Player 2 are playing a game in which Player 1 has the first move at A in the decision tree shown below. Once Player 1 has chosen either Up or Down, Player 2, who can see what Player 1 has chosen, must choose Up or Down at B or C. Both players know the payoffs at the end of each branch. 
What is the equilibrium outcome of this game?
A. Player 1 chooses Down and Player 2 chooses Up. B. Player 1 and Player 2 both choose Down. C. Player 1 chooses Up and Player 2 chooses Down. D. Player 1 and Player 2 both choose Up.
In the figure above, if a tax is imposed that generates an efficient allocation of resources, then consumers will pay a price of
A) $250 per unit. B) $200 per unit. C) $150 per unit. D) $100 per unit.
Under the Global Legal Settlement of 2002, the provision that requires investment banking firms to sever the link between underwriting and research is an example of
A) regulate for transparency. B) supervisory oversight. C) separation of functions. D) socialization of information production.
A _____ is a function that takes on a defined value for every point in the sample space
a. discrete variable b. random variable c. dependent variable d. continuous variable