Abstract and Results emphasize the long-run relationship and report price as insignificant; the long-run epr elasticity (Table 4) is the paper's headline demand response || "The results show that electricity price is insignificant and income elasticity is lower than unity" (p.546, abstract); "Long-run price and income elasticities are zero and 0.58" (p.552)
Pourazarm, E., & Cooray, A. (2013): "Estimating and forecasting residential electricity demand in Iran." Economic Modelling, 35, 546–558.