The cross-price elasticity of demand for peanut butter with respect to the price of jelly is -0.3. If we expect the price of jelly to decline by 15%, what is the expected change in the quantity demanded for peanut butter?
A) +15%
B) +45%
C) +4.5%
D) -4.5%
C
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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. 
If Player 2 could make a credible commitment to choose either Up or Down when his or her turn came, then what would Player 2 do?
A. Player 2 would commit to choosing Down. B. Player 2 would commit to choosing Up. C. Player 2 would not commit to choosing either strategy. D. Player 2 would commit to mimicking Player 1's strategy.
The Census survey collects data on regular wages, tips, commissions, and bonuses
Indicate whether the statement is true or false
Collusion occurs when
a. a firm chooses a level of output to maximize its own profit b. firms get together to maximize joint profits c. firms refuse to follow their price leaders d. firms petition their U.S. senators for favors e. two firms' price and output decisions come into conflict
The ________ is the European Union's ultimate decision-making body and is composed of the different ministers of the member countries.
A) European Commission B) Council of the European Union C) European Parliament D) European Court of Justice