If the various flows of injections and leakages were equal then the flow of income ctiouna the cuculai would remain constant when the leakage are counter balanced by the injection, the economy is said to be in equilibrium .

i.e if I+G+X+GK^T- S+T+M=KO

however the various decisions affecting the leakage and injection of funds are carried out by different groups of individuals with different motives therefore, it is unlikely that year after year leakage and injections will be the same, although due to the income output expenditure relationship the economy will adjust accumulate and the flow will cut back output and income until they equal expenditure again.