Cerroni S, Watson V, Kalentakis D, Macdiarmid JI. Value-elicitation and value-formation properties of discrete choice experiment and experimental auctions. Eur Rev Agric Econ. 2019 Feb;46(1):3-27. doi: 10.1093/erae/jby014
Edwards TP, Yopp JM, Park EM, Deal A, Biesecker BB, Rosenstein DL. Widowed parenting self-efficacy scale: a new measure. Death Stud. 2018 Apr;42(4):247-53. doi: 10.1080/07481187.2017.1339743
Wardman M, Chintakayala PK, de Jong G. Values of travel time in Europe: review and meta-analysis. Transp Res Part A Policy Pract. 2016 Dec;94:93-111. doi: 10.1016/j.tra.2016.08.019