What does macroeconomics focus on trying to understand? Check all that apply. the changes that take place within an economic system as a whole the individual interactions of producers and consumers the challenges that economic systems face, such as inflation and unemployment patterns of change within an economic system, as seen through economic models a nation’s economy in isolation, without considering how it integrates with other nations

-the changes that take place within an economic system as a whole

-the challenges that economic systems face, such as inflation and unemployment

-patterns of change within an economic system, as seen through economic models

Explanation:

Macroeconomics is the study that deals with how the overall economy behaves. It considers economy wide indices such as inflation, unemployment, price levels, rate of economic growth, national income, and gross domestic product.

Questions answered by macroeconomics include: What causes unemployment? What causes inflation? and What influences economic growth?

Macroeconomics also uses economic models to study patterns of change in the economy as a whole.

i believe the correct answer is cost benefit analysis (cba). plz check first good

explanation: