Answer:
A. Macroeconomics
Explanation:
Macroeconomics is the branch of economics which studies the behavior of entire economies and policies that affect the economy as a whole. In other words, macroeconomics is a branch of economics concerned with the level of employment, savings, investment, national income and general price level of an economy. General equilibrium forms the base of macroeconomics. Its objectives are full employment, economic growth and price stability.
