Soda Tax Falls Flat to Lower Consumption (VIDEO) Cornell University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Cornell University professor of policy analysis and management and of economics John Cawley explains why adopting a soda tax to decrease consumption doesn't work. Credit Cornell University 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.