... elasticity of segmentdemand is 2 :6 for premium beer, 2:7 for popular beer, and 2:4 for light beer.These price elasticities could be used as important evidence toward a formal testof the hypothesis ... discussion of this and other demand forms in the context of merger simulation, see Werden and Froeb (2005). 462 9. Demand System EstimationSymmetry imposes the restrictions, jkD kj for all j ¤ ... 475the inside good cutoffs as 0 6 1 6 6 J, we can derive the demand curveexactly for any cumulative distribution function describing consumer types, F.Â/. For this reason, this is often...