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When do households invest in solar photovoltaics? An application of prospect theory
While investments in renewable energy sources (RES) are incentivized around the world, the policy tools that do so are still poorly understood, leading to costly misadjustments in many cases. As a case study, the deployment dynamics of residential solar photovoltaics (PV) invoked by the German feed-...
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Published in: | Energy policy 2017-10, Vol.109, p.270-278 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | While investments in renewable energy sources (RES) are incentivized around the world, the policy tools that do so are still poorly understood, leading to costly misadjustments in many cases. As a case study, the deployment dynamics of residential solar photovoltaics (PV) invoked by the German feed-in tariff legislation are investigated. Here we report a model showing that the question of when people invest in residential PV systems is found to be not only determined by profitability, but also by profitability's change compared to the status quo. This finding is interpreted in the light of loss aversion, a concept developed in Kahneman and Tversky's prospect theory. The model is able to reproduce most of the dynamics of the uptake with only a few financial and behavioral assumptions.
•A model to describe the investment dynamics of residential PV systems is proposed.•The dynamics are reproduced with only a few financial and behavioral assumptions.•The model is parsimonious enough to be integrated in energy system models.•The findings are interpreted in the light of prospect theory and loss aversion. |
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ISSN: | 0301-4215 1873-6777 |
DOI: | 10.1016/j.enpol.2017.06.067 |