1. Presenter: Jenny Chen 陳瑩珍 Instructor: Dr. Pi-Ying Teresa Hsu November 12, 2009

3. Contents I. Introduction II. Methodology III. Results IV. Conclusion V. Personal Reflection

8. Study Site

9. Study Site El Jard í n del T ú ria

10. Methodology Time spring 2005 Participants 1455 Sampling stratified Payment Vehicle annual increase in local taxes Elicitation Approach open-ended Survey face-to face interview

11. Methodology

15. Methodology Zero WTP preference unfamiliarity

16. Methodology Ordinary Least-Square Regressions biased and inconsistent estimates of the parameters

21. Methodology Probit Model to evaluate the censoring rule ( Z i θ ) Truncated Regression Model to obtain the bid function ( X i β ) for the subsample of censored observations

22. Results

24. Results

26. Results

30. Thank you for your attention!