Jonathan Levin, columnist at Bloomberg Opinion, warns that rising government debt is blurring the traditional boundaries between central banks and finance ministries, threatening the independence that has underpinned inflation targeting for three decades. The framework that separated monetary policy from fiscal management began to fray after the Global Financial Crisis and accelerated during the COVID-19 pandemic, with central banks shifting from occasional interveners to permanent partners in government financing. New Fed Chair Kevin Warsh and the Bank of England’s recent restructuring occur against a backdrop where US tariff policies under the Trump administration add further complexity to monetary policy decisions. According to Levin, the key risk lies in sovereign risk premiums: if investors perceive erosion of central bank independence, borrowing costs rise in a self-reinforcing cycle.
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