IS Flashcards

1
Q

equation Y sanns etat et rdm

A

S=I=Y-C

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2
Q

varaivle ajustement keynes/neo

A

neo : i sur fond pretable*
key : Y

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3
Q

néoclassiques ajustement I>S

A

I>S hausse i hausse s et baisse I I=S

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4
Q

fonction condo et propension a conso

A

C=cY avec c propension a consommer
- moyene : c=c/Y
- marginale variY sur varie C de combien

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5
Q

multipliccateur investissement prive

A

Y=I+C
deltaY=1/1-c*varaition I > plus propension margi conso hausse plus multip hausse > vague successives conso

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6
Q

paradoxe epargne

A

+ s micro pas plus S macrio : ⬊S fat pas varier Y
I variable + importante > hausse plus que propor revenu par I (epargne)
épargne residu pas prealalbe

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7
Q

éco fermee avec Etat

A

Y=C+I+G
Y=C+S+T
S+T-G=I > epargne prive + solde budgetaire = investissement privé
(S=I+deficit)
> epargne prive finance invest privée et deficit

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8
Q

multiplicateur avec eetat

A

1/1-c+ct = multipicateur depense publique

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9
Q

multiplocatuer impot

A

impact indirect (sur Yd, fuite dans S) -c/1-c+ct

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