Which of the following statements is true? Group of answer choices Some macroeconomics topics we will study in this course are total production, the national unemployment rate, and the inflation rate. In microeconomics, we study broadly-defined markets, such as the market for consumption goods, the market for labor, and the market for exports. "Positive" statements are economic statements that are based on facts. They can be supported or disproved with data. All of the above. Only a) and c)