Table 4 short-run ECM own-price coefficient DLRp = -0.154 (SE 0.05208, t = -2.96) is the paper's estimated own-price elasticity carrying a proper standard error; abstract: 'The own-price effect is negative and inelastic. In an error correction framework, the short-run income and price effects are small' || 'The own price of electricity was found to be inelastic, -0.15' (p.217)
Holtedahl, P. and F. L. Joutz (2004): “Residential Electricity Demand in Taiwan.” Energy Economics 26(2), 201-224