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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
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The exact, large-sample and small-disturbance conditions of dominance of biased estimators in linear models
Ullah, Aman - In: Economics letters 6 (1980) 4, pp. 339-344
Persistent link: https://www.econbiz.de/10002938641
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Estimation and testing in a regression model with spherically symmetric errors : Received 5.6.1984
Ullah, Aman; Zinde-Walsh, Victoria - In: Economics letters 17 (1985) 1/2, pp. 127-132
Persistent link: https://www.econbiz.de/10002938730
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A note on the skewness and kurtosis coefficients of Zellner's sure estimator
Ullah, Aman; Rafiquzzaman, M. - In: Indian economic review : biannual journal of the Delhi … 12 (1977) 2, pp. 181-184
Persistent link: https://www.econbiz.de/10002938767
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Generalized two stage least squares estimators for a structural equation with both fixed and random coefficients
Raj, Baldev; Srivastava, V. K.; Ullah, Aman - In: International economic review 21 (1980) 1, pp. 171-183
Persistent link: https://www.econbiz.de/10002725169