Question

What is one purpose of studying economics?

to understand the reasons why people purchase certain goods
to find reasons why some resources become scarce
to determine the principles that explain why consumers buy services
to examine principles that influence the production of goods and services

Answer 1

to examine principles that influence the production of goods and services

Economics studies how scarce resources are allocated and what factors (costs, incentives, technology, demand) affect the production and distribution of goods and services.