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Tackling Proximity Effects in Nonmarket Valuation Approaches : An Example of Contingent Valuation Method
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비시장재화의 가치평가에 있어서 근접효과(Proximity Effects)의 검증에 관한 연구 : 조건부가치평가법을 중심으로

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Type
Academic journal
Author
Jeon, Chul-Hyun (한국환경정책.평가연구원) Shin, Hio-Jung (강원대학교 농업자원경제학과) Joo, Hye-Jin (한국농어촌공사 농어촌연구원)
Journal
한국자원경제학회 자원·환경경제연구 자원·환경경제연구 제19권 제1호
Published
2010.1
Pages
101 - 127 (27page)

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Tackling Proximity Effects in Nonmarket Valuation Approaches : An Example of Contingent Valuation Method
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Abstract· Keywords

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The purpose of the research is to tackle proximity effects (PEs) when nonmarket valuation method CVM is applied to environmental goods such as tidal flats. 1,000 households are surveyed in the ratio of national household for the research. The sample are reclassified into five areas by 30-minute distance. Log-linear are used to analysis PEs in the research. On conclusion log-linear model regarding income effects proves that PEs are apparently represented in NMVMs(${\theta}_1$ >0. ${\theta}_2$ >0 and $dum1{\neq}0$, $dum2{\neq}0$, $dum3{\neq}0$, $dum4{\neq}0$) as a result of a 5 per cent significant level of t -test and F-test, finally rejecting the null hypothesis. In addition, WTP of area I respondents shows 26 per cent more then that of area V respondents, which is from \87,969 to \64,866 in the open-ended format. Finally, the research proves that the PEs in CVM are evidently represented with the econometric model, hence the PEs have to be embedded into the questionnaire of non-market valuation methods with the environmental goods to reduce the underestimation and improve the estimation accuracy.

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