What are leakages?
-Investment spending on new capital goods (I)
-Exports of goods and services (X)
-Government spending on public services (G)
What are withdrawals(leakages)?
-Savings (S)
-Imports of goods and services (M)
-Taxation (T)
In an equilibrium injections must be what?
Equal to withdrawals and so the national income remains the same.
If the sum of injections is greater than the sum of leakages/withdrawals then the economy is what?
Growing.
If injections are smaller than withdrawals what does this mean for the economy?
It is shrinking.