Major policy shifts underway have heightened global uncertainty. The series of recent tariff announcements by the United States, and countermeasures by other countries have increased financial market volatility, weakened growth prospects, and increased risks. They come in the context of rising debt levels in many countries and already strained public finances, which in many cases will also need to accommodate new and permanent increases in spending, such as defense. Rising yields in major economies and widening spreads in emerging markets further complicate the fiscal landscape. […]