An ore shortage will see the global refined zinc deficit gradually widen over the next few years, with producers to curb output, research firm BMI said on Tuesday. It noted that zinc production and consumption growth are expected to average 1.9% and 1.7% respectively between this year and 2021, while the global stocks-to-use ration will narrow considerably from 9.2% this year, to 1.8% in 2021.
