The OP specifically mentioned "upper classes". It is a fact that the lower classes (lowest quantile) are underrepresented, and the higher classes (highest quant

The OP specifically mentioned "upper classes". It is a fact that the lower classes (lowest quantile) are underrepresented, and the higher classes (highest quantile) are overrepresented [0]. [0] http://s3.amazonaws.com/thf_media/2008/pdf/cda08-05.pdf http://s3.amazonaws.com/thf_media/2008/pdf/cda08-05.pdf