Talk to critics of the European Central Bank’s ultra-loose monetary policy and a common theme emerges: concern about financial stability. Quantitative easing is seen as creating dangerous asset bubbles. Negative interest rates are said to hurt bank profitability, making the financial system more vulnerable to shocks. These concerns are widely misplaced. In fact, the real worry should be the risks …

For the past two decades, the EU has grappled with a productivity slowdown that has kept wages and economic growth in check. Politicians are increasingly mentioning infrastructure as a possible solution: The hope is that building more roads and better bridges can help companies improve efficiency and re-start growth. However, while infrastructure may indeed provide a much-needed stimulus to Europe’s …

Moody’s Corp. downgraded China’s sovereign credit rating for the first time in 28 years. In doing so, the rating agency is acknowledging the dragon in the room: China will have to pay the price for its epic debt binge, whatever policymakers do from here. The burning question in China these days is whether the government is serious about tackling the …