通货紧缩
通货紧缩，简称通缩，本意为货币流通数量减少，但也指整体物价水平持续下降个现象，是一个搭通货膨胀相反个概念。一般认为通货膨胀率低于0（负个通货膨胀率）辰光会发生通货紧缩。
20世纪前期个美国经济学家欧文·费雪首次提出“债务沉积-通货紧缩链”，即债务型通货紧缩，成功地指出经济波动个主要原因垃拉中央银行货币供应弗足，造成了企业债务沉积，进而造成全社会个通货紧缩搭经济危机。
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