@inproceedings{beaumais:hal-01143260, TITLE = {{``External validity of WTP estimates: comparing preference and WTP-space model results''}}, AUTHOR = {Beaumais, Olivier and Crastes, Romain and Mahieu, Pierre-Alexandre and Mart{\'i}nez-Camblor, Pablo and Scarpa, Ricardo}, URL = {https://univ-corse.hal.science/hal-01143260}, BOOKTITLE = {{Third International conference: Environment and Natural Resources Management in Developing and Transition Economies}}, ADDRESS = {Clermont-Ferrand, France}, YEAR = {2014}, MONTH = Oct, KEYWORDS = {econometry ; willingness to pay ; preference ; space model}, HAL_ID = {hal-01143260}, HAL_VERSION = {v1}, }