Quote from Ghost of Cutten:
This is wrong too - western and northern Europe did not collapse as Hayek predicted. The welfare state did get somewhat excessive in places like 1970s USA & UK, 1980s Scandinavia & France, but was then pared back in 1980s UK/USA, and 1990s Scandinavia. N American and W Europe (+ Australia/NZ) did not descend into serfdom, Hayek and the hardcore libertarians were proven totally wrong by reality.
Middling socialism as seen in the welfare states of W Europe and Scandinavia, and the pared-down socialism in the USA (medicaid, food stamps, welfare, state retirement plans, state-owned fire departments, emergency A&E medical treatment free at point of delivery, state education for those who can't afford to go private) has not led to collapse of economic growth so long as the proportion of state spending stayed at or below a certain level (35-40% of GDP generally is an upper limit). It is only when state spending got way too high, and socialism become too pervasive, that economic stagnation started to set in e.g. Sweden in the 80s, UK in the 70s, Japan in the last decade or two.
Moderate levels of socialism seem to allow the deserving poor to have a better chance at becoming productive - this makes economic sense, as a smart but broke student can't get a decent education, any poor person might die or become an unemployed cripple because of lack of funds for healthcare, and broke retired people are less productive and more of a drain on society than ones who were forced to save at least moderate amounts for their old age. The problem is that a bare bones safety net seems to inexorably expand as vested interest groups elect politicians to grab a bigger and bigger share of the pie, so you get waves of unsustainable entitlement spending booms which only end once the country gets to the brink of economic disaster (i.e. extreme debt, or the spending cuts after a financial crisis). There should therefore be some kind of constitutional limit on the % of GDP allowed for welfare spending, maybe 10-15% would be a good cap, then another 10-15% for police, military, courts etc. You'd then have a society spending 20-30% of GDP on state services. This would allow for sufficient social justice to offset random luck at birth or during life, whilst also probably optimising economic growth due to greater productivity of those who would otherwise not be able to afford education, healthcare, law & order, and other essentials. The only real objection would be the hardcore libertarian rejection of any kind of redistributive taxation.