Following the neighbours and green envy
Forget about politically trendy liberals being influenced by their green credentials. The the single most important factor driving whether people instal solar is peer influence. That, at least, is what two researchers at Yale and the University of Connecticut have discovered. Their recently published paper Spatial patterns of solar photovoltaic system adoption: the influence of neighbors and the built environment says empirical estimation demonstrates a strong relationship between solar adoption and the number of nearby previously installed systems as well as built environment and policy variables. “People have called it green envy before, where you want to be green so that you can show off your greenness effectively,” says Yale’s Kenneth Gillingham , a professor at the School of Forestry and one of the study authors. From an interview with the Washington Post: In addition to initiatives like the Solarize program, Gillingham says the re...