Design efficiency for non-market valuation with choice modelling: how to measure it, what to report and why *

Riccardo Scarpa () and John M. Rose

Australian Journal of Agricultural and Resource Economics, 2008, vol. 52, issue 3, pages 253-282

Abstract: We review the basic principles for the evaluation of design efficiency in discrete choice modelling with a focus on efficiency of WTP estimates from the multinomial logit model. The discussion is developed under the realistic assumption that researchers can plausibly define a prior belief on the range of values for the utility coefficients. D-, A-, B-, S- and C-errors are compared as measures of design performance in applied studies and their rationale is discussed. An empirical example based on the generation and comparison of fifteen separate designs from a common set of assumptions illustrates the relevant considerations to the context of non-market valuation, with particular emphasis placed on C-efficiency. Conclusions are drawn for the practice of reporting in non-market valuation and for future work on design research. Copyright 2008 The Authors. Journal compilation 2008 Australian Agricultural and Resource Economics Society Inc. and Blackwell Publishing Asia Pty Ltd.

Date: 2008
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