The difference between macroeconomics and microeconomics is that Question 9 options: Macroeconomics studies the production of big things, while microeconomics studies the production of small things. Macroeconomics studies big companies while microeconomics studies small companies. Macroeconomics studies countries with large Gross Domestic Products, while microeconomics studies countries with small gross domestic products Macroeconomics studies the economy as a system, while microeconomics studies the decision making process of the individual actors. Macroeconomics studies the production of essential things, while microeconomics studies the production of luxuries.