Low income tax rates have a strong correlation with wealth-inequality within societies. Wealth-inequality in turn correlates positively with violence, low life-expectancy, infant-mortality, obesity,...

I am happy to pay my taxes and why shouldn't I be? The state has provided me with free university education, cheap public transport, free access to medical care and I don't have to have to fear going anywhere - partly because I know that all the other people in my country are not that much worse off than I am.