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4.




41. ?

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) , , ?

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42. , , , ?

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43. X. ?

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44. ? ? ( ) ?

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45. ?

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( )

46. , , , I , .

47. :

) ;

) , ;

) ;

) , .

48. , , :

) ;

) ;

) ;

) .

49. () ( ). ( , ):

) U(x, ) = 3 ; ) U(, ) = min (, 3 );
) U (, ) = + ; ) U (, ) = min (3 , ).

50. .

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. , .

( ) :

) ; ) ;
) ; ) .

51. , :

) ; ) ;
) . ) ;

52. .

53. .

54. :

) ;

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) , ;

) , , .

 

 


55. :

) , ;

) () , ;

) ;

) .

56. () (). :

a) U(x, ) = ; ) U(x, ) = max (, );
) U(x, y)= x+ y; ) U(x, y) = 2.

57. , :

) , y;

) , ;

) , ;

) , .

58. , . :

) ;

) ;

) ;

) .

59. , . 5 , (MPL) 10 , (APL) 15 /-. :

) 0,33 0,5 ; ) 0,5 0,33 ;
) 0,5 0,4 ; ) 0,4 0,5 .

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60. Y, 20 5 , 5 3 Y, 3 10 Y.

61. , :

) , MRS = 1/ 2;

) ;

) ;

) , .

62. . 300 , 500 . 1 14 ., 1 8 . 56 . :

) ; ) 4; ) 5,
) 7; ) 3;  

63. : = 8, = 4, 64. , , :

) = 0, = 16; ) = 3, = 8;
) = 3, = 10; ) = 8, = 0.

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( )

64. , 18701880 , XVIII (, . , . .).

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65. ( , ) ?

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66. ? ? , , ?

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