Narrow search
Showing 1 - 10 of 21
Cover Image
Bias in the estimation of mean reversion in continuous-time Lévy processes
Bao, Yong; Ullah, Aman; Wang, Yun; Yu, Jun - In: Economics letters 134 (2015), pp. 16-19
Persistent link: https://www.econbiz.de/10011432138
Cover Image
On existence of moment of mean reversion estimator in linear diffusion models
Bao, Yong; Ullah, Aman; Zinde-Walsh, Victoria - In: Economics letters 120 (2013) 2, pp. 146-148
Persistent link: https://www.econbiz.de/10010127806
Cover Image
On the Fisher information matrix of a vector ARMA process
Bao, Yong; Hua, Ying - In: Economics letters 123 (2014) 1, pp. 14-16
Persistent link: https://www.econbiz.de/10010399080
Cover Image
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
Cover Image
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
Cover Image
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
Cover Image
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
Cover Image
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
Cover Image
The second-order bias of quantile estimators
Lee, Tae-hwy; Ullah, Aman; Wang, He - In: Economics letters 173 (2018), pp. 143-147
Persistent link: https://www.econbiz.de/10012022969
Cover Image
A class of model averaging estimators
Zhao, Shangwei; Ullah, Aman; Zhang, Xinyu - In: Economics letters 162 (2018), pp. 101-106
Persistent link: https://www.econbiz.de/10011939785