“…11 We have also investigated the relevance of the individual demographic variables upon the marginal effect of attribute levels, by inserting, in the regression, explanatory variables capturing the cross-combination of attribute levels and demographic characteristics (see, e.g., Alberini et al, 2003, andBegona et al, 2001, among many consider demographic variables per se and attribute levels, so that we omit the results for the sake of brevity. For a recent study concerning the role of socio-economic variables in the demand for cultural goods see Borgonovi (2004).…”