Estimation of unit values in household expenditure surveys without quantity information

• Martina Menon ^[1] ; Federico Perali ^[1] ; Nicola Tommasi ^[1]
  1. [1] University of Verona

     University of Verona

     Verona, Italia

     
• Localización: The Stata journal, ISSN 1536-867X, Vol. 17, Nº. 1, 2017, págs. 222-239
• Idioma: inglés
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• Resumen

  • In this article, we present the pseudounit command, which estimates pseudounit values in cross-sections of household expenditure surveys without quantity information. Household surveys traditionally record only expenditure information. The lack of information about quantities purchased precludes the possibility of deriving household-specific unit values. We use a theoretical result developed by Lewbel (1989, Review of Economic Studies 56: 311–316) to construct pseudounit values by first reproducing cross-sectional price variation, then adding this variability to the aggregate price indexes published by national statistical institutes. We illustrate the method with an example that uses a time series of cross-sections of Italian household budgets