Macagno, G., Loureiro, M., and Tol, R. (2009). Assessing the Impact of Biodiversity on Tourism Flows: A Model for Tourist Behaviour and Its Policy Implications, ESRI Working Paper 281, Dublin: ESRI, https://www.esri.ie/publications/assessing-the-impact-of-biodiversity-on-tourism-flows-a-model-for-tourist-behaviour