If the marginal utilities of the first 5 candy bars are 15, 14, 10, 7, and 3, respectively, the total utility derived from consuming all 5 candy bars is
a. 5
b. –12
c. 12
d. 35
e. 49
E
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According to Richard Baldwin, studies indicating massive increases in trade resulting from currency unions are:
A) biased because of use of data from rich countries. B) generally applicable to the euro. C) underestimating the impact of the euro on intra-European Union trade. D) not the result of lowering the transaction costs for trade within the euro area.
The Social Security Fund is designed as
A) a pay-as-you-go system. B) an investment portfolio that individual contributors can make periodic payments into. C) an account that allows periodic withdrawals by contributors. D) an individual account with a federal reserve bank.
An estimator is
A) an estimate. B) a formula that gives an efficient guess of the true population value. C) a random variable. D) a nonrandom number.
In the short run, the horizontal sum of all of the marginal cost curves (above minimum average variable cost) of individual firms in a competitive market defines the
a. average variable cost curve b. market demand curve c. market supply curve d. average total cost curve e. total quantity demanded