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Cowles Foundation Discussion Papers

2016

Demand Estimation

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Full-Text Articles in Economics

Product Variety, Across-Market Demand Heterogeneity, And The Value Of Online Retail, Thomas W. Quan, Kevin R. Williams Nov 2016

Product Variety, Across-Market Demand Heterogeneity, And The Value Of Online Retail, Thomas W. Quan, Kevin R. Williams

Cowles Foundation Discussion Papers

Online retail gives consumers access to an astonishing variety of products. However, the additional value created by this variety depends on the extent to which local retailers already satisfy local demand. To quantify the gains and account for local demand, we use detailed data from an online retailer and propose methodology to address a common issue in such data-sparsity of local sales due to sampling and a significant number of local zeros. Our estimates indicate products face substantial demand heterogeneity across markets; as a result, we find gains from online variety that are 45% lower than previous studies.


Product Variety, Across-Market Demand Heterogeneity, And The Value Of Online Retail, Thomas W. Quan, Kevin R. Williams Nov 2016

Product Variety, Across-Market Demand Heterogeneity, And The Value Of Online Retail, Thomas W. Quan, Kevin R. Williams

Cowles Foundation Discussion Papers

Online retail gives consumers access to an astonishing variety of products. However, the additional value created by this variety depends on the extent to which local retailers already satisfy local demand. To quantify the gains and account for local demand, we use detailed data from an online retailer and propose methodology to address a common issue in such data-sparsity of local sales due to sampling and a significant number of local zeros. Our estimates indicate products face substantial demand heterogeneity across markets; as a result, we find gains from online variety that are 45% lower than previous studies.


Product Variety, Across-Market Demand Heterogeneity, And The Value Of Online Retail, Thomas W. Quan, Kevin R. Williams Nov 2016

Product Variety, Across-Market Demand Heterogeneity, And The Value Of Online Retail, Thomas W. Quan, Kevin R. Williams

Cowles Foundation Discussion Papers

Online retail gives consumers access to an astonishing variety of products. However, the additional value created by this variety depends on the extent to which local retailers already satisfy local demand. To quantify the gains and account for local demand, we use detailed data from an online retailer and propose methodology to address a common issue in such data - sparsity of local sales due to sampling and a significant number of local zeros. Our estimates indicate products face substantial demand heterogeneity across markets; as a result, we find gains from online variety that are 30% lower than previous studies.


Product Variety, Across-Market Demand Heterogeneity, And The Value Of Online Retail, Thomas W. Quan, Kevin R. Williams Nov 2016

Product Variety, Across-Market Demand Heterogeneity, And The Value Of Online Retail, Thomas W. Quan, Kevin R. Williams

Cowles Foundation Discussion Papers

Online retail gives consumers access to an astonishing variety of products. However, the additional value created by this variety depends on the extent to which local retailers already satisfy local demand. To quantify the gains and account for local demand, we use detailed data from an online retailer and propose methodology to address a common issue in such data - sparsity of local sales due to sampling and a significant number of local zeros. Our estimates indicate products face substantial demand heterogeneity across markets; as a result, we find gains from online variety that are 30% lower than previous studies.