Rui Yao, University of Missouri-Columbia (IMAGE) University of Missouri-Columbia Caption Rui Yao, associate professor of personal financial planning, says that income uncertainty, rather than gender differences, leads women to be less risk tolerant when investing than men. Credit MU News Bureau Usage Restrictions None License Licensed 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.