# Macroeconomics |  | **Macroeconomics** is a branch of economics that deals with the performance, structure, behavior, and decision-making of an economy as a whole. This includes regional, national, and global economies. Macroeconomists study topics such as output/GDP and national income, unemployment, price indices and inflation, consumption, saving, investment, energy, international trade, and international finance. | |-|-| | | wikipedia:: [Macroeconomics](https://en.wikipedia.org/wiki/Macroeconomics) |