Final answer:
The subject of this question is Macroeconomics, which focuses on the goals of economic growth, low unemployment, and low inflation and how government policy can influence them.
Step-by-step explanation:
The subject of this question is Macroeconomics. Macroeconomics is a branch of economics that focuses on the behavior and performance of an economy as a whole. It examines the goals of economic growth, low unemployment, and low inflation, and how government policy can influence these goals.