

Though the US Federal Reserve’s first interest-rate hike of 2023 is smaller than those that preceded it, policymakers have signaled that more increases are on the way, despite slowing price growth. But there is good reason to doubt the utility – and fear the consequences – of continued rate hikes, on both sides of the Atlantic.
李,马萨诸塞州—COVID-19正在意大利、法国、西班牙和美国等发达经济体肆虐。除了死亡和人道折磨,市场正在贴现伴随大规模违约的灾难性衰退,金融市场对公司信用风险的猛烈价格调整就是明证。
听起来令人惊悚,但发达经济体的情况比起发展中国家来说可能还要好得多,不仅疾病负担方面是如此,所面临的经济灾难也是如此。两大学术圈——公共卫生专家和宏观经济学家——已开始互相对话,但不幸的是,他们的对话大多只涉及到发达国家。
公共卫生界让传染微分方程几乎成为主流。现在,人们大谈R0因子(每一位被传染这平均可以传染给几个新病人)和通过避免近距离接触和封锁来压制传染曲线的必要性。
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