問題詳情
4. Let the equilibrium condition for national income be S (Y ) + T (Y ) = I (Y ) + G0 (S ',T ', I > 0； S ' + T' > I '),where S , Y , T , I and G stand for saving, national income, taxes, investment, and government expenditure,respectively. All derivatives are continuous.
【題組】(a) Check whether the conditions of the implicit-function theorem are satisfied. If so, write the equilibriumidentity.
參考答案