By Karen Burbach UNMC public relations
![](https://www.unmc.edu/newsroom/wp-content/uploads/2016/08/Opioid0825.jpg)
Public health in action – Health economist improves delivery of care
Li-Wu Chen, Ph.D., looks at the big picture. Trained as a health economist, he has studied the access, cost and quality of health services for 13 years.
May 3, 2011