Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Daily Overview |
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Energy Demand and Efficiency 6 Location: B132 Session Chair: Nils van der Vegte, Maastricht University | |
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Subsidy-induced Social Spillovers in Solar Panel Adoption Maastricht University, Netherlands, The This paper investigates social spillovers in the adoption of residential solar photo- voltaic systems across three social networks: family, neighbors and colleagues. Using administrative data for all Dutch owner-occupied homes from 2007 to 2021, combined with detailed social network linkages, we study whether subsidized solar PV adoption amongst peers increases household uptake. To causally identify social spillovers, we exploit exogenous the variation from a national, production-based solar PV subsidy allocated through a lottery between 2008 and 2010 and implement an instrumental variable strategy. Our IV estimates reveal significant subsidy-induced spillovers of 0.80 percentage points by family members, which are significant and economically stronger relative to the social spillovers from neighbors. Regarding colleagues, we do not find evidence of subsidy-induced social spillovers. These findings imply that solar adoption is not only influenced by neighborhoods, but also by social transmission through family networks, and that financial incentives seem to trigger broader social diffusion, especially among family members. Applying diffusion models to the first twelve post-subsidy years, we find that the subsidy triggered 4.3 to 7.7 percent of additional solar adoption. | |