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A generalized additive Tobit model

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  • Armando Levy

Abstract

This paper proposes a semi-parametric approach to estimation in Tobit models. A generalized additive Tobit model of residential local long distance (intra-LATA) telephone demand is estimated on a cross-section of residential telephone consumers across twenty-eight states. While past studies of telecommunications demand have used fully parametric models, the model presented here is non-parametric in two dimensions: first no distributional assumption is made for the error distribution, and second, the demand equation is non-parametric with respect to price. We find that the elasticity of demand is substantially lower (in absolute value) that found in previous studies for a 40% cut in tariffs. Copyright Springer-Verlag Berlin Heidelberg 2003

Suggested Citation

  • Armando Levy, 2003. "A generalized additive Tobit model," Empirical Economics, Springer, vol. 28(1), pages 3-22, January.
    • Handle: RePEc:spr:empeco:v:28:y:2003:i:1:p:3-22
    DOI: 10.1007/s001810100112
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    Keywords

    Key words: semi-parametric; general additive models; Tobit; truncated regression; telecommunications; JEL classification: C14; C24; C51; D12;
    All these keywords.

    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • C24 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Truncated and Censored Models; Switching Regression Models; Threshold Regression Models
    • C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis

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