I disagree with the premise.
Owning a home is much more than just the dream of people of Australia. Looking at the complaint, the growing problem with home unaffordability is present not just Australia but many other places in the world. Sticking to first world economies, The cities with the least affordability are scattered across the globe. Canada and Australia have cities that rank among the worst in low affordability of homes but San Francisco is close.
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It's a big deal, don't get me wrong. I'm sure that Australians are worried for their kids and grand kids. Just saying most people in the world want to own a home. There is nothing special about Australia in that regard.
What I don't understand is where the inequity is coming from in Australia. If looking at wealth inequality, the US is fucked, with 42% of all the nation's wealth being held by the 1%. But that's not the case in Australia, where they are in the middle of the pack with about 20% held by their 1%.
It seems that the problem comes from a classic driver of inflation -- high income with scarcity. Australians rank among the highest in the world in terms of per capita wealth, second only to Switzerland. Compared to you guys, people in the US are dirt poor.
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So the problem the article talked about is not wrong. Australians do have a worse problem with a lack in the supply of affordable homes. But it's a supply issue, not anything like the social problem we have in the US. Your issue isn't a lack of jobs or low wages or concentration of wealth. Something is blocking the building of more homes in Australia. What would that be?