The case for international trade is no different. It’s not mainly about creating or destroying jobs. It’s about using labor more efficiently, which is one key to higher wages.
But there is a catch: Whenever trade patterns change, some people will gain (either jobs or wages) but others will lose. The federal government could and should help them more, but it doesn’t. So Americans who do lose their jobs due to international trade have a legitimate gripe.
-Alan S. Blinder ‘Five Big Truths About Trade‘ The Wall Street Journal