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Optimal designs for stated choice experiments that incorporate ties |
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| Authors: | Stephen Bush Leonie BurgessDeborah Street |
| Institution: | Department of Mathematical Sciences, University of Technology Sydney, PO Box 123, Broadway, NSW 2007, Australia |
| Abstract: | In 1970 Davidson generalised the Bradley–Terry model to allow respondents to say that the two options presented in a choice task were equally attractive. In this paper we extend this idea to the MNL model with m options in each choice set and we show that the optimal designs for the MNL model are also optimal in this setting. |
| Keywords: | Paired comparisons Multiple comparisons Bradley&ndash Terry model Multinomial logit model Davidson ties model |
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