Economists call a simplified description of how two or more variables interact with each other a theory.
A theory is known to be a term that connote the simplified depiction of the ways that the two or more variables associate with one another.
The aim of a theory is to take a hard, real-world issue and help one to be able to simplify it down and it is one that helps the analyst to know the issue and any problems in it.
Hence, Economists call a simplified description of how two or more variables interact with each other a theory.
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