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Estimating a stochastic production frontier when the adjusted error is symmetric
Li, Qi - In: Economics letters 52 (1996) 3, pp. 221-228
Persistent link: https://www.econbiz.de/10001212521
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On the root-N-consistent semiparametric estimation of partially linear models
Li, Qi - In: Economics letters 51 (1996) 3, pp. 277-285
Persistent link: https://www.econbiz.de/10001200992
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An alternative test for conditional unconfoundedness using auxiliary variables
Fang, Ying; Tang, Shengfang; Cai, Zongwu; Lin, Ming - In: Economics letters 194 (2020), pp. 1-5
Persistent link: https://www.econbiz.de/10012509265
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Testing heteroskedasticity for predictive regressions with nonstationary regressors
Hong, Shaoxin; Zhang, Zhengyi; Cai, Zongwu - In: Economics letters 201 (2021), pp. 1-4
Persistent link: https://www.econbiz.de/10012607071
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GARCH with omitted persistent covariate
Han, Heejoon; Park, Joon Y. - In: Economics letters 124 (2014) 2, pp. 248-254
Persistent link: https://www.econbiz.de/10010493650
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Uniform convergence rate of kernel estimation with mixed categorical and continuous data
Li, Qi; Ouyang, Desheng - In: Economics letters 86 (2005) 2, pp. 291
Persistent link: https://www.econbiz.de/10006748979
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A semi-parametric non-nested test in a dynamic panel data model
Li, Qi - In: Economics letters 49 (1995) 1, pp. 1-6
Persistent link: https://www.econbiz.de/10001188309
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Bootstrapping J-type tests for non-nested regression models
Fan, Yanqin - In: Economics letters 48 (1995) 2, pp. 107-112
Persistent link: https://www.econbiz.de/10001190184
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A Hausman specification test based on root-N-consistent semiparametric estimators
Li, Qi - In: Economics letters 40 (1992) 2, pp. 141-146
Persistent link: https://www.econbiz.de/10001138448
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A consistent nonparametric test for linearity of AR(p) models
Fan, Yanqin - In: Economics letters 55 (1997) 1, pp. 53-59
Persistent link: https://www.econbiz.de/10001225284