Dossche, Maarten; Heylen, Freddy; Poel, Dirk Van den - In: Scandinavian Journal of Economics 112 (2010) 4, pp. 723-752
We estimate the curvature of the demand curve for a wide range of products. We use an extension of Deaton and Muellbauer's Almost Ideal Demand System and scanner data from a large euro area retailer. We find evidence that the overall price elasticity of demand is higher for price increases than...