4WEITZMAN M L. Why the far-distant future should he discounted at its lowest possible rate[J]. Journal of Environ- mental Economies and Management, 1998,36(3):201-208.
5中华人民共和国国家统计局.中国统计年鉴2006-2012[M].北京:中国统计出版社.
6中华人民共和国国家统计局.中国建筑业统计年鉴2006-2012[M].北京:中国统计出版社.
7STEPHEN A ROSE, RANDOLPH W,WESTERFIELD,et al. Corporate Finance[M].吴世农,沈艺峰,王志强,等译.北京:机械工业出版社,2011.
8WEITZMAN M L,GAMMA Discounting[J]. American Economic Association,1998,36(3) :260 - 271.