This paper suggests bivariate semiparametric index models as a tool for modelling the interplay of socioeconomic and health characteristics in determining health care utilisation. These models allow for a fully nonparametric relationship between socioeconomic status, health care need and care...

This paper aims to introduce readers to the fundamental concepts of income and social class and how they influence consumers' buying decisions and marketing strategies. It attempts to provide an understanding of the theoretical framework used for social classification and the practical...