According to the No Marginal Improvement Principle, if X* is the best choice, then:
A. MB must be greater than MC at X*.
B. MB must be equal to MC at X*.
C. MB must be less than MC at X*.
D. MB must be greater than or equal to MC at X*.
B. MB must be equal to MC at X*.
Economics
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The equilibrium price and quantity of a good, once attained, will
a. change only if either supply or demand changes b. change only if both supply and demand change c. change only if supply changes d. change only if demand changes e. never change
Economics