Original sentence: Consumer advocacy groups argue that discrimination against consumers—the charging of higher prices on the same object simply because of where they happen to live—is unjust and monopolistic behaviour on the part of corporations towards the public.Correspondingly, the grey market has found support from most ideological tendencies.Opposition to intellectual property regulations and support for grey market economics therefore exists across the political spectrum amongst Socialists and Capitalists.Proponents of the corporate financial system, in agreement, assert that the enforcement of intellectual property can lead to a 'lessening of composing effort'.Radical liberal opponents of class discrimination argue that private property in general leads to the oppression of much of society and are therefore against the very idea of intellectual property, which forms the basis of arguments against the grey market.Unlike the black market, the grey market does not contribute to the distribution of illegal items, nor does it promote unfair practices
Edited sentence: Consumer advocacy groups argue that this discrimination against consumers—the charging of higher prices on the same object simply because of where they happen to live—is unjust and anti-competitive