According to the No Marginal Improvement Principle for Boundary Choices, if X* is a best choice, then:

A. if only a marginal increase in the activity level is possible, the MB ? MC at X*.

B. if only a marginal increase in the activity level is possible, the MB ? MC at X*.

C. if only a marginal decrease in the activity level is possible, the MB ? MC at X*.

D. MB = MC at X*.


A. if only a marginal increase in the activity level is possible, the MB ? MC at X*.

Economics

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