Pessimism or optimism : a justification to voluntary contributions toward environmental quality
This arrticle analyzes the determinants of voluntary contribution to environmental quality by introducing the perception of the environmental risk. The environmental quality is assumed uncertain and influenced by current quality and individuals' contributions. We consider individuals who are aware both of the impact of their voluntary contributions and of the quality of the current environment on the future quality of environment. Agents' preferences are represented by the RDEU model. We show that the contribution level results from two effects : a wealth effect (environmental or financial) and a risk one. It appears that wealth effects (unless for extreme wealth levels) is not sufficient to explain the implication of agents in the improvement of the environmental quality and that risk and attitude towards risk should be taken into account.
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