4. Y= Ca+σ(Y-T) +I +G + X - M, X = θY*, M= βY, where Ca is the autonomspending, X export, M import,
問題詳情
4. Y= Ca+σ(Y-T) +I +G + X - M, X = θY*, M= βY, where Ca is the autonomspending, X export, M import, Y* foreign income, and all the Greeks indicate coefficients. Derive△(X-M)/△Y* =___________________