Economy Efficiency Assessment in Full Life Cycle of Green Roof Project

摘要

Universally accepted benefits of green roofs were classed to ecological environment benefits (EEB), social benefits (SB) and private economic benefits (PEB). Life-cycle assessment, contrast valuation, game-theory and economics cost-benefit with quality analysis and quantity analysis were used to evaluate private and social costs and benefits of green roofs in the three region model which are metropolis, middle and small citis (MSC) and new countryside construction farmer model community (FMC). Results suggest the green roofs benefits (GRB) at the three region model focus on different items which GRB of metropolis paying more attention to EEB, GRB of MSC having more interesting of SB and PEB contrary to PEB playing key roles in MSC.