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| Author: | Yoo, S-H. Yang, H-J. |
| Title: | Application of sample selection model to double-bounded dichotomous choice contingent valuation studies |
| Journal: | Environmental and Resource Economics
2001 : OCT, VOL. 20:2, p. 147-163 |
| Index terms: | CHOICE THEORY CONTINGENT VALUATION WATER RESOURCES KOREA, SOUTH |
| Freeterms: | SAMPLE SELECTION WILLINGNESS TO PAY |
| Language: | eng |
| Abstract: | Modeling households' behavior with the data from a contingent valuation (CV) survey is often complicated by sample non-response, which can cause non-response bias and sample selection bias, leading to inconsistent parameter estimates and a distorted mean willingness-to-pay estimate. This paper reports the results of empirical tests for both biases using household survey data in which the double-bounded dichotomous choice CV question involved the benefit of a tap water quality improvement policy in Korea. |
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