2. Modelning asosiy tenglamalari is egri chizig’i va uning tenglamasi

      24-chizma. Keyns xochi 

                                                                                                               Y                                                                                                               

R                                                                                                                                         

 

 

 

R

2

                                                  

                                             

R

1

 

 

                                                         I                                                             IS     

                                                                                              

 

 

                         

                         I

2

  I

1

                               I                        Y

2

    Y

1

                              Y