By: Editorial Staff THE PAGE CO-OP purchasing cooperative has begun its 10th year after showing increases of 14% in membership and 42% in purchases in 1993. The member-owned organization, with offices in Wayne, Pa., and Boca Raton, Fla., includes more than 220 publishing units in 40 states, among which are 165 daily newspapers with circulations ranging from 4,000 to 90,000. Last year, PAGE distributed to its members more than $1.5 million in cash Patronage Dividends, Performance Rebates and Value-Added Rebates. Based on combined dollar volume of PAGE purchases from specific companies, the rebates are from manufacturers and are made in addition to discounts. Participating vendors include news-print, ink, platemaking equipment, circulation, graphic arts equipment, computer systems and pressroom supplies companies. PAGE also offers several consulting services. PAGE announced that Ken Bronson was elected to its board of directors. The 36-year veteran of Topeka-based Stauffer Communications and president of its newspaper operations, recently joined Nixon Newspapers, Peru, Ind., as executive vice president. For several years, Nixon has been the largest purchasing company within PAGE.