Willingness to pay and price elasticities of demand for energy-efficient appliances: Combining the hedonic approach and demand systems

► The article shows a combined approach for estimating willingness to pay for energy efficiency labels and price elasticities. ► The results of the hedonic approach is used together with the Quantity Based Demand System (QBDS) model. ► The elasticity results are compared with those simulated using the Linear Almost Ideal Demand System (LA/AIDS). ► The methodology is applied to the dishwasher market in Spain.