Perhaps most fundamentally: government is not a solution to the public goods problem, but rather the primary instance of the problem. If you create a government to solve your public goods problems, you merely create a new public goods problem: the public good of restraining and checking the government from abusing its power. "[I]t is wholly owing to the constitution of the people, and not to the constitution of the government, that the crown is not as oppressive in England as in Turkey," wrote Thomas Paine; but what material incentive is there for individuals to help develop a vigilant national character? After all, surely it is a rare individual who appreciably affects the national culture during his or her lifetime.
To rely upon democracy as a counter-balance simply assumes away the public goods problem. After all, intelligent, informed voting is a public good; everyone benefits if the electorate reaches wise political judgments, but there is no personal, material incentive to "invest" in political information, since the same result will (almost certainly) happen whether you inform yourself or not. It should be no surprise that people know vastly more about their jobs than about their government. Many economists seem to be aware of this difficulty; in particular, public choice theory in economics emphasizes the externalities inherent in government action. But a double standard persists: while non-governmental externalities must be corrected by the state, we simply have to quietly endure the externalities inherent in political process.
Since there is no incentive to monitor the government, democracies must rely upon voluntary donations of intelligence and virtue. Because good government depends upon these voluntary donations, the public goods argument for government falls apart. Either unpaid virtue can make government work, in which case government isn't necessary to solve the public goods problem; or unpaid virtue is insufficient to make government work, in which case the government cannot be trusted to solve the public goods problem.
~Bryan Caplan, Anarchist Theory FAQ Version 5.2
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