National short-run and long-run headline elasticities, from selected Table 5 Col(2) and Table 10 || 'The estimated short-run (long-run) price elasticity of residential electricity consumption in Japan is -0.397 (-0.487).' (p.439)
Okajima, S. and H. Okajima (2013): "Estimation of Japanese Price Elasticities of Residential Electricity Demand, 1990-2007." Energy Economics 40, 433-440