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Medicare auction will face severe difficulties, research shows

Medicare's new method for buying medical supplies and equipment -- everything from wheelchairs and hospital beds to insulin shots and oxygen tanks -- is doomed to face severe difficulties, according to a new study by Caltech ...

Night-time brilliance lights up political patronage

In some countries, a region that can lay claim to being the birthplace of a country's political leader is likely to get preferential treatment – bias that shines out when the intensity of night lights is compared with that ...

Rethinking investment risk

Financial innovation is supposed to reduce risk—in theory, at least. Yes, new financial instruments based on the housing market helped cause the financial crisis of 2008. But in the abstract, those same instruments have ...

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