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A Semiparametric Constant Elasticity of Substitution Stochastic Frontier Model for Panel Data

Taining Wang & Daniel J. Henderson

Advances in Econometrics2024https://doi.org/10.1108/s0731-905320240000046012book-chapter
AJG 2
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0.30

What the paper says

A semiparametric stochastic frontier model is proposed for panel data, incorporating several flexible features. First, a constant elasticity of substitution (CES) production frontier is considered without log-transformation to prevent induced non-negligible estimation bias. Second, the model flexibility is improved via semiparameterization, where the technology is an unknown function of a set of environment variables. The technology function accounts for latent heterogeneity across individual units, which can be freely correlated with inputs, environment variables, and/or inefficiency determinants. Furthermore, the technology function incorporates a single-index structure to circumvent the curse of dimensionality. Third, distributional assumptions are eschewed on both stochastic noise and inefficiency for model identification. Instead, only the conditional mean of the inefficiency is assumed, which depends on related determinants with a wide range of choice, via a positive parametric function. As a result, technical efficiency is constructed without relying on an assumed distribution on composite error. The model provides flexible structures on both the production frontier and inefficiency, thereby alleviating the risk of model misspecification in production and efficiency analysis. The estimator involves a series based nonlinear least squares estimation for the unknown parameters and a kernel based local estimation for the technology function. Promising finite-sample performance is demonstrated through simulations, and the model is applied to investigate productive efficiency among OECD countries from 1970–2019.

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https://doi.org/https://doi.org/10.1108/s0731-905320240000046012

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@article{taining2024,
  title        = {{A Semiparametric Constant Elasticity of Substitution Stochastic Frontier Model for Panel Data}},
  author       = {Taining Wang & Daniel J. Henderson},
  journal      = {Advances in Econometrics},
  year         = {2024},
  doi          = {https://doi.org/https://doi.org/10.1108/s0731-905320240000046012},
}

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A Semiparametric Constant Elasticity of Substitution Stochastic Frontier Model for Panel Data

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Evidence weight

0.30

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.00 × 0.4 = 0.00
M · momentum0.50 × 0.15 = 0.07
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

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