"We found that the tax appears to be working within Berkeley in terms of shifting consumers away from sugary beverages and toward healthier alternatives and raising revenue in the process," said Shu Wen Ng, associate professor in the Gillings School of Global Public Health at the University of North Carolina, who was one of the researchers. "We didn't see meaningful change in where people reported shopping. They didn't seem to change where they shopped. But what changed was what option of beverages they pointed to."