USITC Says All Gains from New NAFTA from Reduced Uncertainty, What Is the Impact of Trump's Tariff Threats?

The United States International Trade Commission's (USITC) analysis of Trump's new NAFTA projected modest gains, entirely due to a reduction of uncertainty associated with its rules on digital commerce. (It makes it harder to regulate Facebook and Google.) The gains the USITC attributed to reduced uncertainty from this fairly limited segment of the economy were extraordinary, but they raise the obvious question about the cost of uncertainty in other areas.

For example, Donald Trump is now twe...