Arizona State University professor emeritus Loui Olivas discusses the Hispanic market for Arizona businesses, at a luncheon meeting from 11:30 a.m. to 1:30 p.m., Thursday, Sept. 20; $75, $60 THCC members. Register online at tucsonhispanicchamber.org. The event is co-hosted by The Tucson Hispanic Chamber of Commerce and the Arizona Hispanic Chamber of Commerce.