In the simple macro model with government and foreign trade, the marginal propensity to consume out of disposable income is whereas the marginal propensity to spend out of national income is O a MPC(1-t)- m: MPC(1 -1). Ob MPC(1- t), MPC(1 -1) - m Oc MPC: MPC(1-)-m Od MPC; MPC(1 -0 MPC(1- 1), MPC
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