Answer: Macroeconomics
Explanation:
Macroeconomics is defined as economical branch which states about status and behavior of complete economy. Behavior of price level, market system, economic growth etc are studied and defined.It also involves investigating and noticing changes that happen in rate of economic growth , unemployment, inflation etc.
It works at the large scale for determining the economic variables so living standards and growth rate etc can be improved. Example-GDP( gross domestic product), interest rates etc.
