Representative res estimate for no-PDF (yellow) study; author preference unknowable. Internal median pick (study absent from Dahl 2011 DEDD) - UNVERIFIED by Dahl.
Alberini, A., Gans, W. & Velez-Lopez, D. (2011): "Residential consumption of gas and electricity in the U.S.: The role of prices and income." Energy Economics, 33(5), 870–881.