Where does innovation come from and how can creativity be fostered? Matt Ridley, author of “How Innovation Works,” offers some answers. “Innovation happens when people are free to think, experiment and speculate,” he writes. “It happens when people can trade with each other. It happens where people are relatively prosperous, not desperate. It is somewhat contagious. It needs investment.” But we wanted specifically to know how innovation and creativity can happen more often in Hawai‘i, so Hawaii Business Magazine spoke with and listened to local artisans, art festival organizers, creative consultants, and even political leaders and businesspeople. We heard about how to foster creativity, and about the shared spaces, technological…