argue that all of the economic rent collected from natural resources (land, mineral extraction, fishing quotas, etc.) is unearned income, and belongs to the community rather than any individual. They advocate a high tax (the "Single Tax") on land and other natural resources to return this unearned income to the state, but no other taxes. Against Because payment of tax is compulsory and enforced by the legal system, rather than voluntary like crowdfunding, some political philosophies view taxation as theft, extortion, slavery, as a violation of property rights, or tyranny, accusing the government of levying taxes via force and coercive means. Objectivists, anarcho-capitalists, and right-wing libertarians see taxation as government aggression through the lens of the non-aggression principle. The view that democracy legitimizes taxation is rejected by those who argue that all forms of government, including laws chosen by democratic means, are fundamentally oppressive. According to Ludwig von Mises, "society as a whole" should not make such decisions, due to methodological individualism. Libertarian opponents of taxation claim that governmental protection, such as police and defense forces might be replaced by market alternatives such as private defense agencies, arbitration agencies or voluntary contributions. Murray Rothbard argued in The Ethics of Liberty in 1982 that taxation is theft and that tax resistance is therefore legitimate: "Just as no one is morally required to answer a robber truthfully when he asks if there are any valuables in one's house, so no one can be morally required to answer truthfully similar questions asked by the state, e.g., when filling out income tax returns." Many view government spending as an inefficient use of capital, and that the same projects that the government seeks to develop can be developed by private companies at much lower costs. This line of argument holds that government workers are not as personally invested in the efficiency of the projects, so the overspending happens at every step of the way. In the same regard, many public officials are not elected for their project management skills, so the projects can be mishandled. In the United States, President George W. Bush proposed in his 2009 budget "to terminate or reduce 151 discretionary programs" which were inefficient or ineffective. Additionally, critics of taxation note that the process of taxation, not only unjustly takes money of citizens, it also unjustly takes considerable time away from citizens. For example, it is estimated by the American Action