Detroit bankruptcy sounds alarm bells

In recent decades, many US municipalities have provided their workers with generous retirement benefits, both pensions and health coverage, often in lieu of pay increases. But this has created an unsustainable future burden for budgets that has only been exacerbated by the loss of real estate and other tax revenue in the financial crisis.
In particular, cities like Chicago and Santa Fe, New Mexico, have worryingly high pension liabilities compared to revenue, investors and analysts say.