Some countries including New Zealand and Australia do not give ordinary families much of an incentive to earn more. Effective marginal tax rates on low income families is one of the few times that the Left discovers supply-side economics.
Mandatory and voluntary private social expenditure makes a big difference to the degree of social insurance in some countries but not others. The calculation of these numbers in purchasing power parity would be much more interesting.
Some welfare states are much more targeted. Australia has the most targeted welfare state in terms of public social benefits paid in cash to the bottom quintile (Q1) of income earners.
The chart below shows stark differences between egalitarian Sweden and France, and the more unequal UK since 1970 in departures from a trend growth rate of 1.9% in real GDP per working age person, PPP.
In the above chart, a flat line is growth at the same rate as the USA for the 20th century, which was 1.9% for GDP per working age person on a purchasing power parity basis. The USA’s growth rate is taken as the trend rate of growth of the global technological frontier. A falling line in the above chart is growth in real GDP per working age person, PPP, at below this trend rate of 1.9%; a rising line is above trend rate growth for that year.
Sweden really had been the sick man of Europe until it turned its back on high taxing, welfare state socialism in the early 1990s.
France has been in a long decline so much so that the global financial crisis is hard to pick up in the acceleration in its long decline in the mid-1990s.
Britain did very well, both under the neoliberal horrors of Thatcherism and the betrayals by Tony Blair of a true Labour Party platform. The UK grew at above the trend annual growth to 1.9% for most of the period from the early 1980s to 2007.
Neither France or Sweden, despite their egalitarian economies, kept up with the US growth rate since 1970. Under the OECD’s hypothesis, if France and Sweden had been more unequal, their trend growth rates would have been even more appalling since 1970.
Why Evolution is True is a blog written by Jerry Coyne, centered on evolution and biology but also dealing with diverse topics like politics, culture, and cats.
“We do not believe any group of men adequate enough or wise enough to operate without scrutiny or without criticism. We know that the only way to avoid error is to detect it, that the only way to detect it is to be free to inquire. We know that in secrecy error undetected will flourish and subvert”. - J Robert Oppenheimer.
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