IS-LM-BP - 經濟

※ 引述《betray911015 (回頭太難)》之銘言：
: Use your understanding of the IS-LM-BP model to answer this question.
以你對IS-LM-BP model的了解來回答此問題
: Assume at the initial equilibrium that output is above the target level
: of output and that a private payment surplus exists. Given this
假設在產出高於目標且有額外的薪資所得的狀況下達成均衡
: information, we know with certainty that which of the following policy
: actions will simultaneously achieve both internal and external balance?
以此資訊，我們可確定下列哪個策略可同時達成內部及外部均衡?

: a) increase in the nominal money supply
: b) reduction in the nominal money supply
: c) increase in government expenditures
: d) reduction in government expenditures
: e) more information is needed to answer this question
: 題目說一開始的均衡產出在目標的水準之上，接下來的意思我就不懂了
: 題目是要問什麼??

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