_____ focuses upon the overall performance of the economy, when ______ concentrates upon individual decision making and how relative prices and outputs are found: (w) Macroeconomics; microeconomics. (x) Microeconomics; macroeconomics. (y) Occam's Razor; macroeconomics. (z) Production possibilities frontier analysis; macroeconomics.
Can anybody suggest me the proper explanation for given problem regarding Economics generally?