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...

In the popularly used ranking method of peer rating, the exclusion of the evaluations/marks given to oneselves is intuitively appealing and has been actually practiced, since a person/university/country typically is biased in favor of itself. This short paper shows that this apparently...