Long-run own-price Cournot elasticity from the authors' novel discrete-continuous (flow-of-appliances) approach is the paper's headline contribution || 'the estimated short run price elasticity for the whole period is -0.433, and the estimated long run price elasticity is -0.442' (p.15-16); abstract: 'We find the estimated long run elasticity only slightly more price elastic than the short run' (p.1)
Halvorsen, B., and B.M. Larsen (2001): “The Flexibility of Household Electricity Demand Over Time.” Resource and Energy Economics 23(1), 1-18