Which of the following is a microeconomics question?

A) Is it sensible for a government to subsidize tobacco production?
B) Why do some countries grow faster than others?
C) Should Congress and the president take action to reduce global warming?
D) Should the government attempt to influence the interest rate to lower inflation?

Microeconomics focuses on the actions of individuals and industries, like the dynamics between buyers and sellers, borrowers and lenders. Questions A pertains to microeconomics because it deals with government policy affecting individual production decisions, specifically regarding the subsidy of tobacco production. Choices B, C, and D are more aligned with macroeconomics, as they deal with broader economic issues that affect countries, global climate, and the overall economy, respectively.