The key concept that both macroeconomics and microeconomics analyze is the allocation of scarce resources. This concept is crucial as it influences individual and national economic decision-making. Both branches focus on how limited resources are distributed to meet various needs and wants in society. ;
The key concept that both macroeconomics and microeconomics analyze is the allocation of scarce resources, as this impacts decision-making at both individual and national levels. Microeconomics focuses on individual choices regarding resource use, while macroeconomics looks at broader economic policies affecting resource distribution. Therefore, the correct answer is option A: The allocation of scarce resources.
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