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
Van Houtven G, Poulos C. Valuing welfare impacts of beach erosion: an application of the structural benefit transfer method. Am J Agric Econ. 2009 Dec 1;91(5):1343-50.