explicação powerpoint efeito Substituição ,efeito renda e efeito preço
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Transcript of explicação powerpoint efeito Substituição ,efeito renda e efeito preço
Substitution Effect (S.E.)• Definition: It refers to the change in quantity demanded f
or a good caused by a change in relative price, holding real income constant.
Substitution Effect (S.E.)• Definition: It refers to the change in quantity demanded f
or a good caused by a change in relative price, holding real income constant.
Qy
0 QxQx0 Qx1
Px
Qx
Substitution Effect (S.E.)• Definition: It refers to the change in quantity demanded f
or a good caused by a change in relative price, holding real income constant.
Qy
0 QxQx1
Qx
Px
Qx0
Income Effect (I.E.)• Definition: It refers to the change in quantity demanded f
or a good caused by a change in real income, holding relative price constant.
Income Effect (I.E.)• Definition: It refers to the change in quantity demanded f
or a good caused by a change in real income, holding relative price constant.
Qy
0 Qx
Qx
I
Qx0 Qx1
Income Effect (I.E.)• Definition: It refers to the change in quantity demanded f
or a good caused by a change in real income, holding relative price constant.
Qy
0 Qx
Qx
I
Qx1 Qx0
Price Effect (P.E.)• Definition: It refers to the change in quantity demanded f
or a good caused by a change in relative price.
Price Effect (P.E.)• Definition: It refers to the change in quantity demanded f
or a good caused by a change in relative price.
Qy
0 Qx
Px
Qx0 Qx1
Qx
Price Effect (P.E.)• Definition: It refers to the change in quantity demanded f
or a good caused by a change in relative price.
Qy
0 Qx
Px
Qx1 Qx0
Qx
-ve S.E. & +ve I.E.Qx & Qx
Qx
Qx
Case 2inferior gd
non-giffen case
Case 3inferior gdgiffen case
Px -ve S.E. -ve I.E.Qx Qx
-ve S.E. -ve I.E.Qx Qx
Qx
Case 1normal gd
Summary
Graphically
Px
Qx
Case 2 Inferior good, non-giffen case
Qy
0 QxQx0 Qx1 Qx0’
S.E.-ve
I.E.-ve
Qx
S.E.I.E. Qx
Graphically
Px
Qx
Case 2 Inferior good, non-giffen case
Qy
0 QxQx0 Qx1 Qx0’
S.E.-ve
I.E.-ve
Qx
S.E.I.E. Qx
Graphically
Px
Qx
Case 3 Inferior good, giffen case
Qy
0 QxQx0Qx1 Qx0’
S.E.-ve
I.E.-ve
Qx
S.E.I.E. Qx