A record U.S. national debt could lead to tighter policies by central banks around the world,as experts interviewed by Vedomosti noted. U.S. public debt rose by $0.24 trillion in May and reached $39.2 trillion. The average cost of servicing the debt has been rising since 2021 and, by the end of May, stood at 3.35%. High U.S. interest rates make dollar-denominated assets more attractive, which affects the monetary policy of other countries, explains Mikhail Gordienko