Representative res estimate for no-PDF (yellow) study; author preference unknowable. Value -0.32 confirmed against Dahl DEDD ref Don85a=Don84c=Don87 (El-r/hh SR -0.32); Dahl cross-check CONFIRMED.
Donnelly, W. A. (1985): “Electricity Demand Modelling.” In: New Mathematical Advances in Economic Dynamics (eds. Batten and Lesse), New York: New York University Press, 179-195