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NATIONAL INCOME EQUILIBRIUM
2- SECTOR (SIMPLE ECONOMY)
AD = AS APPROACH : Y= C + I
LEAKAGES = INJECTION : S = I
3-SECTOR (CLOSED ECONOMY)
AD = AS APPROACH : Y= C + I + G
LEAKAGES = INJECTION : S + T = I + G
4-SECTOR (OPEN ECONOMY)
AD = AS APPROACH : Y= C + I + G + (X-M)
LEAKAGES = INJECTION : S + T+ M = I + G +X
-THANK YOU-
