32. Data Collection Participants tourists who have visited Lukang (on-site) Questionnaire 410 copies Time 5 minutes Sampling convenience sampling Elicitation approach open-ended
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35. Estimation Methods ordinary least square (OLS) regression biased and inconsistent estimates of the parameters
36. Estimation Methods Double-hurdle model Cragg (1971) considers the possibility of zero outcomes in the second hurdle two stages of estimation two sets of variables Tobit model Tobin (1958) all zero observations are interpreted as corner solutions treats the decisions jointly same set of variables Heckman’s sample selection model Heckman (1979) there will be no zero observations in the second stage once the first stage selection is passed two stages of estimation two sets of variables