Supply Shock ? - 經濟

想請問Supply Shock 是甚麼意思???

然後想請問下面這一題

Faced with an adverse supply shock, policymakers can increase

a.aggregate demand, which increases prices and output

b 懶得打了 答案是a

為甚麼呢????


再偷偷問 Federal fund rate 聯邦準備率(嗎)

到底是啥摸呢 有甚麼用處???



謝謝大家

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