SMU Assistant Professor Yuan Mei (IMAGE) Singapore Management University Caption A new paper, co-authored by SMU Assistant Professor Yuan Mei, computes the most cost-efficient way to impose trade sanctions against Russia in response to its war in Ukraine. Credit Singapore Management University Usage Restrictions Please include image credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.