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Summary Econ Chapter 6- Elastisiteit
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ECON 112 HOOFSTUK 6DEF.: ELASTISITEIT: Maatstaf van gevoeligheid of
sensitiwiteit ( hoe sensitief is die Δ in die afhanklike vir die
verandering in die onafhanklike)
Elastisiteit= % Δ in die afhanklike veranderlike
% Δ in onafhanklike veranderlike
DEF: PRYS ELASTISITIET VAN VRAAG: Dis die %
verandering in hoeveelheid gevra as die prys van die produk
met 1% styg.
• Gaan ʼn “-“ teken hè a.g.v. wet van vraag
as prys styg gaan die hoev. daal)
• Fokus slegs op absolute waarde
?? hoe sensitief is Qd vir verandering in prys?
- Indien hulle die prys van produk of diens wil verlaag
wil hulle weet met hoeveel die gevraagde
hoeveelheid sal toeneem.
MEET OP 2 MANIERE:
1) Punt elastisiteit Antw.= Elastisiteitskoëffisiënt
2) Boom Elastisiteit (E)
Word gebruik om te vergelyk hoe verbruikers sal reageer
op Q op verskillende goedere en dienste
VB: EpD= -0.5% ( tamaties)
Interpreteer: I -0.5 I = 0.5%
1) Dus as die prys van tamaties met 1% styg sal die
QD met 0.5% daal ( vica versa)
2) Relatief onelasties( nie baie sensitief ) verbruikers
is minder sensitief vir ΔP
© Copyright Beanka Behrens 071 163 5774
,Onelasties : mense gaan betaal maak nie saak wat dit kos nie (
minder sensitief vir ΔP
ABSOLUTE WAARDE: 5 KATAGORIEË
Volmaak elasties EpD = ∞
enige Q by een P
• Verbruiker is sensitief vir prysveranderinge
Volmaak onelasties EpD = 0
enige P by een Q
• verbruiker is nie sensitief vir prysveranderinge nie
Eenheid elasties EpD = l 1 l
%Q = %P
Selfde Δ in Q as in P
© Copyright Beanka Behrens 071 163 5774
, Relatief elasties EpD > l 1 l
%Q > %P
As Q meer as P verander ( platter helling)
Relatief onelasties EpD < l 1 l
%Q < %P
Q verander MINDER as P
© Copyright Beanka Behrens 071 163 5774
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