Lunn, P., and Lunn, M. (2014). What Can I Get For It? The Relationship Between the Choice Equivalent, Willingness to Accept and Willingness to Pay, ESRI Working Paper 479, Dublin: ESRI, https://www.esri.ie/publications/what-can-i-get-for-it-the-relationship-between-the-choice-equivalent-willingness-to-accept-and-willingness-to-pay