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  • John C Chao, Norman R Swanson, Jerry A Hausman, Whitney K Newey, Tiemen Woutersen, D Ackerberg +13 others
  • 2007
*Earlier versions of this paper were presented at the NSF/NBER conference on weak and/or many instruments at MIT in 2003, and at the 2004 winter meetings of the Econometric Society in San Diego, where conference participants provided many useful comments and suggestions. Particular thanks are owed to Wright, two anonymous referees and a co-editor for(More)
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