The first soda tax in the nation, Berkeley’s 1-cent-per-ounce levy, hasn’t hurt retail businesses, but it has reduced soda purchases by 9.6 percent, says a study by the University of North Carolina. The researchers assessed 15.5 million checkout purchases from two large supermarket chains and 26 independent grocers in Berkeley, and then compared their 2015–2016 profits with those of chains… » Read More