An economic theory is also known as an economic
A. conclusion.
B. prediction.
C. assumption.
D. model.
Answer: D
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To internalize a positive externality:
a. the consumers of a good could receive a subsidy equal to the external benefit resulting from the production or consumption of the good. b. a producer's costs could be increased by an amount equal to the external benefit resulting from the production of the good. c. consumers of the good could pay a tax equal to the external benefit resulting from the production or consumption of the good. d. None of the above are correct.
If the desired reserve-deposit ratio is 0.25 and the banking system receives an additional $10 million in reserves, bank deposits will increase by:
A. $40 million. B. $4 million. C. $10 million. D. $250 million.
What was the nominal GDP in 2011?
a. 98.118
b. 101.755
c. 15,542.6
d. 15,840.7
Refer to the following computer output from estimating the parameters of the nonlinear modelY = aRbScTdThe computer output from the regression analysis is: 
Based on the info above, if R decreases by 10% (all other things constant), Y will
A. decrease by 4.66%. B. increase by 46.6%. C. increase by 4.66%. D. decrease by 46.6%.