The collection and use of data to test economic theories is

A) empirical economics.
B) descriptive economics.
C) normative economics.
D) positive economics.

Empirical Economics

The branch of economics that focuses on using data and statistical methods to analyze and test economic theories.

Economic Theories

The principles and models that aim to explain how economies work and how economic agents interact.

Descriptive Economics

The branch of economics that focuses on describing the economies or economic events.