Authors' headline own-price estimates are the Model 1 electricity-price coefficients; text explicitly states them as THE own-price elasticity in each run || 'In the long run the own price elasticity of demand is -0.541, while in the short run, it is -0.263.' (p.470)
Narayan, P. K., and R. Smyth (2005): “Residential Demand for Electricity in Australia: An Application of the Bounds Testing Approach to Cointegration.” Energy Policy 33(4), 457-464