A Bayesian estimator is proposed for a stochastic frontier model with errors in variables. The model assumes a truncated-normal distribution for the inefficiency and accommodates exogenous determinants of inefficiency. An empirical example of Tobin’s Q investment model is provided, in which the Q variable is known to suffer from measurement error. Results show that correcting for measurement error in the Q variable has an important effect on the estimation results.
机构:
Univ N Carolina, Dept Biostat, Chapel Hill, NC 27599 USAUniv N Carolina, Dept Biostat, Chapel Hill, NC 27599 USA
Zhou, Haibo
You, Jinhong
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Shanghai Univ Finance & Econ, Dept Stat, Shanghai 200433, Peoples R ChinaUniv N Carolina, Dept Biostat, Chapel Hill, NC 27599 USA
You, Jinhong
Zhou, Bin
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E China Normal Univ, Sch Finance & Stat, Dept Management & Insurance, Shanghai 200062, Peoples R ChinaUniv N Carolina, Dept Biostat, Chapel Hill, NC 27599 USA