Final answer:
Macroeconomics explores how microeconomic decisions impact national economic activity and growth.
Explanation:
Macroeconomics studies the overall economic activity of a nation, influenced by microeconomic decisions made by businesses and households. A key aspect is how markets incentivize investment in human and physical capital, leading to macroeconomic growth. For instance, when a nation experiences an increase in economic activity, businesses may respond by hiring more workers and investing in innovating technologies to boost productivity.
Learn more about Macroeconomics here:
https://brainly.com/question/28489802
