The study of how people make decisions when dealing with scarcity is the best description of Economics. Hence, option A is correct.
What is scarcity of resources?
Limited resources paired with seemingly limitless human desires are referred to as scarcity of resources. Natural resources are few, and as the population grows, so do people's requirements and wants. However, there aren't enough resources to meet everyone's needs.
Because resources are distributed inequitably among people, people must prioritize their most important needs in order to make the most of the resources they do have.
Thus, option A is correct.
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