President Donald Trump is using his love of tariffs to threaten high-profile American companies. Over the past month, Trump has said he’d like to target two specific and very different companies — Apple and Mattel — with tariffs aimed at their key products over comments by their CEOs.

Economic growth will slow this year and next as the trade war hampers development in the United States and around the world, the Organization for Economic Cooperation and Development said.

Donald Trump’s combative trade policies have tipped the world economy into a downturn, with the US among the hardest hit, the OECD said.