Abstract: 'We find that while the average price elasticity at the national level is -0.39 (95% confidence interval: -0.46, -0.31), it varies significantly by state, rural and urban residence, and income categories' (p.765); quadratic model explicitly preferred over log (p.774).
Chindarkar, N., & Goyal, N. (2019): 'One price doesn't fit all: An examination of heterogeneity in price elasticity of residential electricity in India.' Energy Economics, 81, 765-778.