To counter security threats of Chinese investment in U.S. critical technology, policymakers should boost innovation in the U.S. economy as a way to maintain a technological edge rather than seek to block or restrict Chinese investment or to limit the export of certain technologies.

In July 2017, the Council on Foreign Relations’ Maurice R. Greenberg Center for Geoeconomic Studies held a workshop to examine the drivers behind digital protectionism in Asia and Europe, its implica…