5 Chapter summary 1.Macroeconomics is the study of the economy as a whole,including ·growth in incomes changes in the overall level of prices the unemployment rate 2.Macroeconomists attempt to explain the economy and to devise policies to improve its performance. CHAPTER1 The Science of Macroeconomics slide 28CHAPTER 1 The Science of Macroeconomics slide 28 Chapter summary 1. Macroeconomics is the study of the economy as a whole, including • growth in incomes • changes in the overall level of prices • the unemployment rate 2. Macroeconomists attempt to explain the economy and to devise policies to improve its performance. 5