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SAI INTERNATIONAL SCHOOL

                                                 ECONOMICS


                                                 (MODULE 80)


                                                      Class-XI

                                                  CHAPTER 4


                                            PRICE DETERMINATION


               TOPIC-

               -       Special cases

               -       Price ceiling and price floor


                     There are simultaneous changes in both demand and supply. In what
                       cases the equilibrium quantity will remain constant?

                       Case-1,

                              If the increase in demand is equal to decrease in supply, then the
                              equilibrium price will increase but the equilibrium quantity will
                              remain constant.


                                            Y                          
                                                                      |
                                                             |
                                                             
                                                                          S
                                       1
                                   pri
                                   ce

                                        P                       E

                                                                                 |
                                                                                  

                                                                          D

                                                                                                  X
                                       O                    Q         Quantity demanded
                                                                     and quantity supplied
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