What Caused The Resurgence In FDI Screening?1By Simon J. Evenett2University of St. Gallen and CEPRJEL codes: F21, F23, F52.Keywords: Foreign direct investment, FDI screening, COVID-19 pandemic, digital technology, China, United States.Since 2019 at least 30 governments have introduced or strengthened policies that screen foreign investments ostensibly on national security grounds. That 28 such policy changes occurred after 31 December 201