Representative res estimate for no-PDF (yellow) study; author preference unknowable. Value -0.30229 confirmed against Dahl DEDD ref Cou91 (El-r/cust IR -0.30229); Dahl cross-check CONFIRMED.
Coughlin, R. M. (1995): “The Estimation of Residential Price Elasticities for New England During A Period of Increasing Demand-Side Management.” Technical report EPRI-TR-105012, Electric Power Research Institute, Palo Alto, California