This short paper analyzes the effect of heterogeneity of markets in terms of income on the exclusion of markets under uniform price by considering linear demand curves in all markets. We show that more markets (and consumers) are excluded the higher are the inter-market income differences, and...

Note: The following is a description of the paper and not the actual abstract as it appeared in the print journal. Two models are developed to investigate the social welfare implication of the number and size of the lobbying interest groups. The first addresses social rent dissipation of...