Timmons, S., Ó Ceallaigh, D., Carthy, P., and Rogan, F. (2026). Testing diffusion of innovation theory for decarbonisation using heat pumps and electric vehicles, ESRI Working Paper 844, Dublin: ESRI, https://www.esri.ie/publications/testing-diffusion-of-innovation-theory-for-decarbonisation-using-heat-pumps-and