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Table 5 Logistic regression estimate of willingness to pay for conservation project

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

  Model 1 (All respondents included) Model 2 (Protest bids excluded)
  Coefficient Standard error Coefficient Standard error
Bid −0.0230*** 0.004 −0.0263*** 0.004
Age −0.1133** 0.055 −0.0997* 0.058
Age*Age 0.0010* 0.001 0.0010* 0.001
Gender 0.3580 0.262 0.7380** 0.292
Graduate −0.1298 0.327 −0.1577 0.359
Status 0.7818* 0.459 0.3833 0.473
Log(Income) 1.0777*** 0.303 1.3601*** 0.344
Location 0.1688 0.266 0.2740 0.288
Donation 0.7656*** 0.296 0.8066** 0.317
Constant −7.6845*** 2.809 −10.0204*** 3.142
Pseudo R2 0.156   0.198  
Log likelihood −192.230   −164.808  
Correct prediction (%) 75.956   74.359  
Observations (N) 366   312  
  1. Notes: ***, **, * indicate statistical significance at the 0.01, 0.05 and 0.1 level respectively.
  2. Source: Own estimates; data appendix available from authors.