%0 Journal Article %A Withers, Christopher S. %A Nadarajah, Saralees %T Fixed-$\alpha $ and fixed-$\beta $ efficiencies %J ESAIM: Probability and Statistics %D 2013 %P 224-235 %V 17 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ps/2011143/ %R 10.1051/ps/2011143 %G en %F PS_2013__17__224_0