Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/224644
Authors: 
Rode, Johannes
Müller, Sven
Year of Publication: 
2020
Series/Report no.: 
Beiträge zur Jahrestagung des Vereins für Socialpolitik 2020: Gender Economics
Abstract: 
We study variation of peer effects in rooftop photovoltaic adoption by households. Our investigation employs geocoded data on all potential adopters and on all grid-connected photovoltaic systems set up in Germany through 2010. We construct an individual measure of peer effects for each potential adopter. For identification, we exploit exogenous variation in two dimensions of photovoltaic system roof appropriateness of neighbors: their inclination and their orientation. Using discrete choice models with panel data, we find evidence for causal peer effects. However, the impact of one previously installed PV system on current adoption decreases over time. We also show that visible PV systems cause an increase in the odds of installing which is up to three times higher in comparison to all PV systems. At rural locations visibility may be less important, which indicates that word-of-mouth communication plays a stronger role.
Subjects: 
Causal peer effects
installed base
discrete choice
technology adoption and diffusion
solar photovoltaic panels
visibility
JEL: 
O33
C35
Q55
R10
Document Type: 
Conference Paper

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