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短周期 5 ~8年
长周期 75 ~ 100年
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齿轮一样,咬合在一起,牵一发而动全身。
过冷过热
资金分配失衡
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中央政府
> 收入
- 国债
美国国债卖给全世界
- 税收
减税,企业压力小,政府没有足够的钱去搞【基建、科研】。
> 支出
- 财政支出
中央银行
> 收入
- 利率 🧲磁铁
利率高,大家把钱存到银行,市场上钱就少了;
反之,市场上钱就变多 -> 经济变热
> 发行货币
- 放水
市场上钱就变多 -> 经济变热
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