It doesn't matter whether the private sector is more efficient or not (although you can argue that Wall Street was almost comically inefficient during the credi

It doesn't matter whether the private sector is more efficient or not (although you can argue that Wall Street was almost comically inefficient during the credit meltdown of 2008). Government doesn't exist to be the most efficient actor in an economy. It exists to invest in the things that the market cannot or will not provide -- public safety, military, education, transportation, and so on.