Most big emerging economies, including China, Brazil and India, can weather U.S. tariffs without excessive pain, a study by risk consultancy Verisk Maplecroft showed, raising doubt about the clout of President Donald Trump's trade tools. The firm analysed the resilience of 20 of the biggest emerging markets using measures from debt levels to export-revenue reliance to gauge their ability to handle trade volatility and rapidly shifting geopolitical alliances.