The fundamental problem with American cities is that Americans failed to recognize them the core engine of growth and prosperity as they are. Instead cities are viewed through a political lens. This NYC's problems are to be solved by the city/county and San Francisco's are to be solved by their local city/county politicians. The Federal government, which takes in 30% of income, chips in a very limited manner. Investi…
Australia really has 2 major cities (Sydney and Melbourne), and two second tier cities (Perth and Brisbane).
I think it's also in part to how separated the federal government is from local governments. In Australia, tax money is collected by the federal government and then disbursed to the states (bit of a simplification). There's less of a clear delineation between "federal money" and "state money".