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Citation

Erdem S, Campbell D & Thompson C (2014) Elimination and selection by aspects in health choice experiments: Prioritising health service innovations. Journal of Health Economics, 38, pp. 10-22. https://doi.org/10.1016/j.jhealeco.2014.06.012

Abstract
Priorities for public health innovations are typically not considered equally by all members of the public. When faced with a choice between various innovation options, it is, therefore, possible that some respondents eliminate and/or select innovations based on certain characteristics. This paper proposes a flexible method for exploring and accommodating situations where respondents exhibit such behaviours, whilst addressing preference heterogeneity. We present an empirical case study on the public's preferences for health service innovations. We show that allowing for elimination-by-aspects and/or selection-by-aspects behavioural rules leads to substantial improvements in model fit and, importantly, has implications for willingness to pay estimates and scenario analysis.

Keywords
Discrete Choice Experiments; Elimination by aspects; Selection by aspects; Latent class logit model; Health service innovations

Journal
Journal of Health Economics: Volume 38