Sandy Springs-based Mather Economics, a global consulting firm that applies a combination of analytical tools and implementation expertise to help businesses develop pricing strategies that maximize operating margins, grow revenue and improve customer loyalty, has been ranked on Inc. Magazine’s 34th annual Inc. 500/5000, an exclusive ranking of the nation’s fastest-growing private companies. This year, Mather Economics ranked 2,530th with 140 percent growth over the last three years.