Analysts raised concerns over economic and diplomatic consequences after U.S. President Donald Trump threatened on Saturday (July 12)  to impose a 30% tariff on imports from Mexico and the European Union starting on August 1. Mary Lovely, senior fellow at the Peterson Institute for International Economics, warned that Trump’s tariffs will cause price increases and job losses in due course, while Alan Sykes from Stanford Law School said he was worried whether the U.S. could be considered a credible party in future negotiations.