MATHEMATICAL MODEL OF VALUING RECREATION SITE
讨论了旅行成本法（TCM）的理论模型、计量模型、应用条件及新进展，并提出了未来研究方向，适合研究游憩场所经济价值的学者参考。
Travel cost method(TCM) is developed for measuring economic value of recreation sites in last three decades. The theoretic model,econometric model,applied condition and new development of TEM are discussed in this paper.Meanwhile,the future direction of research of TEM is proposed in last part.