The concept of diminishing marginal rate of substitution indicates that
A) as the consumption of good X increases, individuals are willing to give up an increasing amount of good Y in order to obtain one more unit of good X.
B) as the consumption of good X increases, individuals are willing to give up a decreasing amount of good Y in order to obtain one more unit of good X.
C) along an indifference curve, a consumer prefers the consumption combinations moving to the northwest along the curve.
D) None of the above answers is correct.
B
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Which of the following statements about the balance of payments accounts is CORRECT?
A) The current account must be greater than the capital and financial account. B) The sum of all three accounts is always zero. C) The official settlements account is typically larger than both the capital and financial account and the current account. D) Typically the capital and financial account is near zero because it equals the difference between the current account and the official settlements account.
All of the following are roles of a exchange EXCEPT
A) instituting margin requirements on futures contracts. B) marking to market at the end of each day. C) eliminate the need for buyers and sellers of futures contracts to be concerned about the creditworthiness of each other. D) reducing the default risk involving forward contracts.