A Modern Gauss-Markov Theorem? Really?

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Tác giả: Benedikt M Pötscher, David Preinerstorfer

Ngôn ngữ: eng

Ký hiệu phân loại: 512.74 Algebraic number theory

Thông tin xuất bản: 2022

Mô tả vật lý:

Bộ sưu tập: Metadata

ID: 194601

 Comment: Some minor changes and additionsWe show that the theorems in Hansen (2021a) (the version accepted by Econometrica), except for one, are not new as they coincide with classical theorems like the good old Gauss-Markov or Aitken Theorem, respectively
  the exceptional theorem is incorrect. Hansen (2021b) corrects this theorem. As a result, all theorems in the latter version coincide with the above mentioned classical theorems. Furthermore, we also show that the theorems in Hansen (2022) (the version published in Econometrica) either coincide with the classical theorems just mentioned, or contain extra assumptions that are alien to the Gauss-Markov or Aitken Theorem.
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