a. A firm's decision about the size of its new factory
b. The effects of government tax policy on long-term economic growth
c. The optimal interest rate for the Federal Reserve to target
a. A firm's decision about the size of its new factory
Explanation:
Microeconomics is the study of the individuals and households and the behavior of the firm's decision making and the allocation of the resources and applies to the market of the goods and the services.
When dealing with the individual and economic issues and s a branch of economics that studies the market mechanism and the firm relative pricing, along with the analysis of the market failure.