“…Especially under the current macro-economic environment, most private clients need a payback period of between seven and twenty years (Gou, et al, 2013;Li, Yang, et al, 2014) and it is difficult to convince them to inject the extra investment involved while the potential of the resulting green building premium to offset its high initial cost at all is still being debated, and remains inconclusive (Choi, 2009a;Cotten, 2012;Harrison & Seiler, 2011;Robichaud & Anantatmula, 2010;Zhang & Liu, 2014a). This dissuades many private owners from voluntarily adopting green construction practices (Gou, et al, 2013).…”