“…Empirically, purchase intention or willingness to pay has been a central concept to understanding behavioural motivation in various marketing fields such as green marketing (Zhao et al, 2018;Saut and Saing, 2021;Nguyen et al, 2022;Mai et al, 2017), consumer purchase for luxury brands and products (Park et al, 2021), B2B organizational behaviours (Wei and Ho, 2019), or online purchase behaviour (Akram et al, 2021). Likewise, consumers' willingness to pay for green building apartments has been studied by many scholars in green building development (e.g.…”