@techreport{ w12339,
 title = "Optimal Control of Externalities in the Presence of Income Taxation",
 author = "Louis Kaplow",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12339",
 year = "2006",
 month = "June",
 URL = "http://www.nber.org/papers/w12339",
}