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2006•AgEcon Search (University of Minnesota, USA)Open access

A Semiparametric Approach to Estimate Engel curves using the US Micro Data

Héctor O. Zapata, Anil K. Sulgham, Zapata, Hector O., Sulgham, Anil K.

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Abstract

The study estimates Engel curves using cross-section data from the 2003 US consumer expenditure survey (CES). We focus on finding adequate specification for modeling the demographic characteristics using parametric, nonparametric, and semiparametric techniques. The empirical results indicate parametric Working-Leser or Piglog specification was sufficient for most budget shares except for transportation where semiparametric specification had support.

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The study estimates Engel curves using cross-section data from the 2003 US consumer expenditure survey (CES). We focus on finding adequate specification for modeling the demographic characteristics using parametric, nonparametric, and semiparametric techniques. The empirical results indicate parametric Working-Leser or Piglog specification was sufficient for most budget shares except for transportation where semiparametric specification had support.

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Available abstract

The study estimates Engel curves using cross-section data from the 2003 US consumer expenditure survey (CES). We focus on finding adequate specification for modeling the demographic characteristics using parametric, nonparametric, and semiparametric techniques. The empirical results indicate parametric Working-Leser or Piglog specification was sufficient for most budget shares except for transportation where semiparametric specification had support.

Key concepts: Semiparametric model, Nonparametric statistics, Parametric statistics, Econometrics, Engel curve, Semiparametric regression, Specification, Economics

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