title: Carbon markets: effective policy?--Response.
authors: Nicholas School of the Environment, Duke University, Durham, NC 27708, USA. richard.newell@duke.edu.
authors: Richard G
authors: RG
authors: Newell
authors: Sanford School of Public Policy, Duke University, Durham, NC 27708, USA.
authors: William A
authors: WA
authors: Pizer
authors: Duke University Energy Initiative, Duke University, Durham, NC 27708, USA.
authors: Daniel
authors: D
authors: Raimi