Denton, Frank T. (contributor); … - 2007
estimating a consumer demand model have long
been a concern. We study the effects of such errors on elasticity estimates derived … variations of , if is small, and in the case of expenditureα
i
α
i
elasticities, to the ratio. (d) The elasticity … differences induced by aggregation can beβ α
ii
/
positive or negative. (e) A positive (negative) elasticity at the micro level …