Representative ind estimate for no-PDF (yellow) study; author preference unknowable. Value -1.20336605890603 confirmed against Dahl DEDD ref C&C81a (El-ii_pa Paper mills except Blg paper LR -1.2033660589060307); Dahl cross-check CONFIRMED.
Chang, H. S., and W. S. Chern (1981a): “Specification, Estimation, and Forecasts of Industrial Demand and Price of Electricity.” Energy Systems and Policy 5(3), 219-242