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Table 6 Willingness to pay for biodiversity conservation program unit: thousand VND

From: The demand of urban residents for the biodiversity conservation in U Minh Thuong National Park, Vietnam

  Mean/Median of WTP 95% Confidence Interval
Lower bound Upper bound ASL
All respondents included 16.51 −4.64 29.34 0.053
Protest bids excluded 31.52 17.86 43.67 0.0008
  1. Note: ASL: Achieved Significance Level for testing H0: WTP < =0 vs. H1: WTP > 0.
  2. Confidence intervals are estimated by the Krinsky and Robb ([1986]) method.
  3. Source: Own estimates; data appendix available from authors.