10.17028/rd.lboro.8058950.v1 Kay Davey Kay Davey Rod Shaw Rod Shaw Willingness to pay 03 Loughborough University 2019 WEDC Technical Diagram International and Development Communication 2019-05-02 11:34:25 Figure https://repository.lboro.ac.uk/articles/figure/Willingness_to_pay_03/8058950 Willingness to pay 03