Gl can thus result in higher prices for local agricultural products, foodstuffs, handicrafts, wine and spirit drinks, for example, compared to those from other regions, generating resources for regional development and facilitating the integration of previously excluded groups in innovation systems. They might also have spin-off effects, for example in the areas of tourism or gastronomy. Success stories such as Cafe de Colombia, Roquefort cheese in France and Rooibos Tea in South Africa illustrate their potential (El Benni and Reviron, 2009).