Campbell, D., Hutchinson, W., & Scarpa, R. (2008). Using mixed logit models to derive individual-specific WTP estimates for landscape improvements under agri-environmental schemes: evidence from the Rural Environment Protection Scheme in Ireland. In E. Birol, & P. Koundouri (Eds.), Choice Experiments Informing Environmental Policy: A European Perspective (58-81). Edward Elgar, Cheltenham, U.K