Sole own-price own estimate with a standard error; the authors' headline short-run price elasticity, discussed in abstract-equivalent objective and conclusions || 'in the short run the price elasticity is only -0.63, suggesting that the electricity demand is price inelastic' (p.465)
Nasir, N., Tariq, M.S. & A. Arif (2009): "Residential Demand for Electricity in Pakistan."  The Pakistan Development Review, 47(4), 457–467.