Journal
OXFORD REVIEW OF ECONOMIC POLICY
Volume 24, Issue 2, Pages 280-297Publisher
OXFORD UNIV PRESS
DOI: 10.1093/oxrep/grn012
Keywords
behavioural economics; prospect theory; equity premium puzzle; social preferences; climate negotiations
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This paper attempts to bring some central insights from behavioural economics into the economics of climate change. In particular, it discusses (i) implications of prospect theory, the equity premium puzzle, and time-inconsistent preferences in the choice of discount rate used in climate-change cost assessments, and (ii) the implications of various kinds of social preferences for the outcome of climate negotiations. Several reasons are presented for why it appears advisable to choose a substantially lower social discount rate than the average return on investments. It also seems likely that taking social preferences into account increases the possibilities of obtaining international agreements, compared to the standard model. However, there are also effects going in the opposite direction, and the importance of sanctions is emphasized.
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