Wagner's MBA Law of Ethnic Politics

Wagner's MBA Law of Ethnic Politics: ELECTIONS ONLY HAVE A THIN VENEER OF FAIRNESS TO ETHNIC MINORITY CANDIDATES; Majority voters are at least 10 times more likely to vote for an equivalent candidate of their own ethnicity, citing familiarity and favorability, so an ethnic minority candidate must generate at least 10 times the amount of donations for advertising (from a much smaller group) and free publicity from news media to convince majority voters of their familiarity and favorability, which is a near impossibility! OK, perhaps it should say only "_5 times more likely to vote for candidate of their own ethnicity_"...