Solutions to Quick Quizzes 
                  Chapter 1                                             the frontier), point B is an inef-                    Microeconomics is the study of 
                  1.  There are many possible answers.                  ficient point (inside the frontier),              how households and firms make 
                                                                        and point C is an infeasible point                decisions and how they interact in 
                  2.  There are many possible answers.                  (outside the frontier).                           markets. Macroeconomics is the 
                  3.  The three principles that describe                                                                  study of economy-wide phenom- 
                     how the economy as a whole                      d                                                    ena, including inflation, unem- 
                                                                     e 
                     works are: (1) a country’s standard             c                                                    ployment, and economic growth. 
                                                                     u 
                     of living depends on its ability                d 
                                                                     o 
                                                                     r                                                 2.  An example of a positive state- 
                                                                     P 
                     to produce goods and services;                  g                         C                          ment is “a higher price of coffee 
                                                                     n 
                     (2) prices rise when the govern-                i 
                                                                     h                                                    causes me to buy more tea.” It is 
                     ment prints too much money; and                 t 
                                                                     o 
                                                                     l                                                    a positive statement because it is 
                     (3) society faces a short-run trade-            C                       A 
                                                                     f                                                    a claim that describes the world 
                                                                     o 
                     off between inflation and unem-                 y  
                                                                     t                                                    as it is. An example of a norma

曼昆经济学原理第五版即问即答答案(英文).pdf