.
:
x1 = m/p1, p1<p2
x1= - 0 m/p1, p1=p2
x1= 0, p1>p2
1 - . 1,2- , , . 1=2, , .
.
. : . p1x1+ p2x2=m, .. x1=x2=x=m/(p1+p2)- . ( , , (p1+p2)).
(, )?
: ( ).
a)
b) , (normal good).
c) , , (inferior good).
, " " (income expansion path, income offer curve). " ".
d) ( ) (Engel curve).
2.
a) () .
b) , , .. (ordinary good).
c) 1 , (Giffen good).
d) 1 ( 2 ) "-" (offer curve, or price-consumption curve). , 1.
e) (demand curve).
D.
1. 2 1, (substitutes)
2. 2 1, (complements)
1. ?
2. , . ?
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3. , .
4. , . . , , . ?
5. , .
6. , - .
7. "-'' "". , , , "". ''
8. . , , .
9. ? , .
10. , . , . , , :
. ;
. ( ).
11. (, ) .
. . .
6. , .
, - .
. , , .
. , . , , .
12. 8 ., 10 . 80 . 4 . , 48 . . . , 1 4 .
13. 8 50 . . 30 . , 20%, 10%, 80 . ?
14. 24 . . 4 ., 3 3 . 2 ., 6 . 6 2 , 9 1 .
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