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    • Dealing with Limited Overlap in Estimation of Average Treatment Effects 

      Crump, Richard K.; Hotz, V. Joseph; Imbens, Guido; Mitnik, Oscar A. (Oxford University Press, 2009)
      Estimation of average treatment effects under unconfounded or ignorable treatment assignment is often hampered by lack of overlap in the covariate distributions between treatment groups. This lack of overlap can lead to ...