TY - JOUR TI - Global economic impacts of COVID-19 lockdown measures stand out in high-frequency shipping data PY - 2021 AU - Jasper Verschuur AU - Elco E. Koks AU - Jim W. Hall T2 - PLOS ONE LK - https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0248818 ER -