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Calculation of a Population Externality
2015
American Economic Journal: Economic Policy
Harford (1998) shows that when people generate negative externalities, then a birth also generates a negative externality and efficiency requires Pigovian taxes on having children. We calculate the size of this population externality in a specific case. We consider the possibility that greenhouse gas emissions are a serious problem and assume government reacts by restricting emissions. This converts the population externality to a form that can be evaluated from existing data. The calibrated
doi:10.1257/pol.20130012
fatcat:vkrz26eh4vfvnat7k6xtn5zway