Childhood lead exposure can lead to psychological deficits that are strongly associated with aggressive and criminal behavior. In the late 1970s in the United States, lead was removed from gasoline under the Clean Air Act. Using the sharp state-specific reductions in lead exposure resulting from this removal, this article finds that the reduction in childhood lead exposure in the late 1970s and early 1980s is responsible for significant declines in violent crime in the 1990s, and may cause further declines into the future. The elasticity of violent crime with respect to lead is estimated to be approximately 0.8.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
13097.
Length: Date of creation: May 2007 Date of revision: Handle: RePEc:nbr:nberwo:13097
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Find related papers by JEL classification: I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health K49 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - Other Q53 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Air Pollution; Water Pollution; Noise; Hazardous Waste; Solid Waste; Recycling Q58 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Government Policy
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