Conference: 13th International CIRCLE Conference. Napols (ITA) 2016. Title: The market segmentation of business tourists in Barcelona Author: Jorge Moll-de-Alba; Lluís Prats; Lluís Coromina Conference: 12th International CIRCLE Conference. Szczecin (POL) 2015. Title: The moderating effect of tourism expenditure on the behaviour of tourists in Barcelona Author: Jorge Moll-de-Alba; Lluís Prats; Lluís Coromina Conference: 17th EBES Conference. Venècia (ITA) 2015. Title: Do urban destinations adapt to travel expenditure patterns? A study of the business and leisure tourist in Barcelona Author: Jorge Moll-de-Alba; Lluís Prats; Lluís Coromina