Investors and economists attending the annual Ambrosetti Spring workshop along the shores of Italy’s Lake Como voiced concern about protectionist saber-rattling between the U.S. and China. Yet several admitted that some of Trump’s complaints about unfair competition from China ring true.

“Import tariffs on cars are 2.5 percent in the U.S., 10 percent in Europe, 25 percent in China. So who’s the true manipulator here?” Davide Serra, chief executive officer of Algebris Investments, said in an interview with Bloomberg Television. “If China wants to be the adult in the room, it needs to behave like an adult.”