期刊
AUSTRALIAN JOURNAL OF AGRICULTURAL AND RESOURCE ECONOMICS
卷 57, 期 4, 页码 465-482出版社
WILEY
DOI: 10.1111/1467-8489.12014
关键词
attribute nonattendance; choice experiment; latent class analysis; transport footprint; willingness to pay
资金
- Medical Research Council [MR/K023241/1] Funding Source: researchfish
- MRC [MR/K023241/1] Funding Source: UKRI
The ecological footprint of food transport can be communicated using carbon dioxide emissions (CO(2)label) or by providing information about both the length of time and the mileage travelled (food miles label). We use stated choice data to estimate conventional unobserved taste heterogeneity models and extend them to a specification that also addresses attribute nonattendance. The implied posterior distributions of the marginal willingness to pay values are compared graphically and are used in validation regressions. We find strong bimodality of taste distribution as the emerging feature, with different groups of subjects having low and high valuations for these labels. The best fitting model shows that CO2 and food miles valuations are much correlated. CO2 valuations can be high even for those respondents expressing low valuations for food miles. However, the reverse is not true. Taken together, the results suggest that consumers tend to value the CO2 label at least as much and sometimes more than the food miles label.
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