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Nonparametric tests of tail behavior in stochastic frontier models

William Horrace () and Yulong Wang

Journal of Applied Econometrics, 2022, vol. 37, issue 3, 537-562

Abstract: This article studies tail behavior for the error components in the stochastic frontier model, where one component has bounded support on one side, and the other has unbounded support on both sides. Under weak assumptions on the error components, we derive nonparametric tests for thin‐tailed distributional assumptions imposed on these two components. The tests are useful diagnostic tools for stochastic frontier analysis and kernel deconvolution density estimation. A simulation study and applications to four previously studied datasets are provided. In two of these applications, the new tests reject the thin‐tailed distributional assumptions such as normal or Laplace, which are commonly imposed in the existing literature.

Date: 2022
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Working Paper: Nonparametric Tests of Tail Behavior in Stochastic Frontier Models (2020) Downloads
Working Paper: Nonparametric Tests of Tail Behavior in Stochastic Frontier Models (2020) Downloads
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