期刊
ECOLOGICAL ECONOMICS
卷 70, 期 3, 页码 554-563出版社
ELSEVIER
DOI: 10.1016/j.ecolecon.2010.10.008
关键词
Demand for public environmental goods; Voting referenda study; Income distribution; Spatial dependence; Aggregation bias
Voting referenda provide direct evidence of the demand for public goods. A number of previous studies have used referenda to analyze the support for public environmental goods. These studies have used aggregate data from large jurisdictional units (usually counties) and summary income measures such as the mean or median, and have usually found that higher income areas offer greater support for environmental propositions. We examine environmental referenda voting in California using census block group data, spatial dependence controls, and detailed income distribution data. We find that household income has a negative marginal effect on environmental referenda voting for most of the income range when using census block data. In addition, controls for spatial dependence significantly reduce the magnitude of most coefficients. This suggests that OLS estimates of referenda determinants are biased. We also show that county level data may be subject to severe aggregation bias and might not be appropriate for referenda studies. (c) 2010 Elsevier B.V. All rights reserved.
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