Heir pollution: A note on Buchanan's ‘laws of succession’ and tullock's ‘blind spot’

But man has almost constant occasion for the help of his brethren, and it is in vain for him to expect it from their benevolence only. He will be more likely to prevail if he can interest their self-love in his favour, and shew them that it is for their own advantage to do for him what he requires of them. (Adam Smith, Wealth of Nations, p. 26.)