Which of the following questions involve microeconomics, and which involve macroeconomics?

In each case, explain your answer.

a. Why did consumers switch to smaller cars in 2008?

b. Why did overall consumer spending slow down in 2008?

c. Why did the standard of living rise more rapidly in the first generation after World War II than in the second?

d. Why have starting salaries for students with geology degrees risen sharply of late?

e. What determines the choice between rail and road transportation?

f. Why has salmon gotten cheaper over the past 20 years?

g. Why did inflation fall in the 1990s?