How Does the Distinction Between Flexible and Sticky Prices Impact

Multiple Choice

How does the distinction between flexible and sticky prices impact the study of macroeconomics?

A) The study of flexible prices is confined to microeconomics, while macroeconomics focuses on sticky prices.
B) Macroeconomists use flexible prices to explain inflation and sticky prices to explain unemployment.
C) Flexible prices are typically assumed in the study of the long run, while sticky prices are assumed in the study of the short run.
D) Endogenous variables are measured using flexible prices, while exogenous variables are measured using sticky prices.