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Summary Ekonomie 144 Hoofstuk 14

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Hierdie is volledige klas en handboek-notas van hoofstuk 13 tot 16 van Ekonomie 144 - m.a.w. alles wat jy oet leer vir die A2! (hoofstuk 9 apart) Ek het 80% vir Ekonomie 144 gekry en is baie passievol oor die vak so ek het volle vertroue in my notas en dat dit die inhou dvir jou sal vergemaklik om...

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  • February 6, 2023
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nina-marieanker
Ch 14


Keynisiaanse model
Fuktuasies - pre ww2 meer volatile, na ww2 G groter rol in ekon wat fluktuasies verminder
het
AD = C + I + (G + NX) vs BBP spanderingsmetode
- C (huishoudimgs) + I (firmas) = privaatsektor

Vermedigvuldigingsproses
- Onder keyenesiaanse ekonomie
- Sien as deel van hoe ekon werk
Fokus eers net op verbruiksbesteding (privaatsektor - ignoreer owerheid en buiteland)
- Fokus so sterk opp C want 70% van alle besteding is verbruikersbetsteding

Verbruiksfunksie:

- C = c0 + (c1 x Yd)
- komponente:
- C0 = outonome verbruik = vaste bedrag bestee onafhanklik van inkomste (huur,
kos - as nie inkomste sal spaar om hierdie uitgawes te dek) & “is ook huidge
imkomevlak in ekon”(?)
- C1 =MPC = marginale verbruikssgeneigdheid
- Yd = besteebare inkomste (kan of spandeer en dan = deel van
verbruiksbesteding of spaar = en dan is deel van S)



● MPC = verandering in C / verandering in Yd (besteebare inkomste word verdeel
in 2)
● MPS = verandering in S / verandering in Yd
● Yd = besteebare inkomste
● 1 = MPC + MPS




Eg. As R1 toename is in Yd - C op met 80cent , S neem toe met 20cent
- Die proporise besteebare inkomste wat dus verbruik is = MPC = 80/100 = 0.8

, - Dus is MPS = 1 - 0,8 = 0,2
- MPC + MPS = 1 ( net 2 goed wat kan doen met besteebre inkomste - spaar of
spandeer)

In n vb kan k gegee word (keynesiaanse vermenigvuldiger)
- Eg. k = 10 (vermenigvuldiger)
- VERTOLKING : Beteken BBP gaan 10 keer meer verander as die oorspronklike
toename in verbruik
- Dus as outonome besteding met R20 verhoog het, gaan BBP met R20x10 = 200
verhoog

- Werk terug na MPC en MPS !?
- Formule : K = 1/MPS of 1/(1-MPS)
- Dus 10 = 1/MPS
- MPS = 0.1
- MPC = 0.9

As daar n verandering in outonome verbruik is - is daar vermenigvuldiger effek
3 outonome verbruike : onafh van inkomstevlak in ekonomie
- C0
- I
- G

As enige een van die 3 verander : sal die vermenigvuldigerffek plaasvind in ekonomie
Dus sal dit n groter impak he op die BBP via die vermenigvuldiger effek




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