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A semiparametric conditional duration model
Dungey, Mardi H.; Long, Xiangdong; Ullah, Aman; Wang, Yun - In: Economics letters 124 (2014) 3, pp. 362-366
Persistent link: https://www.econbiz.de/10010495203
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Profile likelihood estimation of partially linear panel data models with fixed effects
Su, Liangjun; Ullah, Aman - In: Economics letters 92 (2006) 1, pp. 75-81
Persistent link: https://www.econbiz.de/10003336513
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More efficient estimation of nonparametric panel data models with random effects
Su, Liangjun; Ullah, Aman - In: Economics letters 96 (2007) 3, pp. 375-380
Persistent link: https://www.econbiz.de/10007750140
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Profile likelihood estimation of partially linear panel data models with fixed effects
Su, Liangjun; Ullah, Aman - In: Economics letters 92 (2006) 1, pp. 75-81
Persistent link: https://www.econbiz.de/10007264709
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More efficient estimation of nonparametric panel data models with random effects
Su, Liangjun; Ullah, Aman - In: Economics letters 96 (2007) 3, pp. 375-380
Persistent link: https://www.econbiz.de/10003504680
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A simple test for multivariate conditional symmetry
Su, Liangjun - In: Economics letters 93 (2006) 3, pp. 374-378
Persistent link: https://www.econbiz.de/10003398835
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Moments of OLS estimators in an autoregressive moving average model with explanatory variables
Ullah, Aman - In: Economics letters 21 (1986) 3, pp. 265-269
Persistent link: https://www.econbiz.de/10001016352
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The positive-part Stein-rule estimator and tests of linear hypotheses
Ullah, Aman - In: Economics letters 1 (1988), pp. 49-51
Persistent link: https://www.econbiz.de/10001042726
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A nonparametric random effects estimator
Henderson, Daniel J.; Ullah, Aman - In: Economics letters 88 (2005) 3, pp. 403-407
Persistent link: https://www.econbiz.de/10003035733
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The approximate distribution function of the Stein-rule estimator
Ullah, Aman - In: Economics letters 10 (1982) 3/4, pp. 305-308
Persistent link: https://www.econbiz.de/10002937152