Elemente teoretice privind modelarea prin combinarea subsistemelor

Journal Title: Revista Romana de Statistica - Year 2016, Vol 64, Issue 7

Abstract

Abordarea tradiţională a dezvoltării modelelor macroeconometrice a avut în vedere estimarea unei ecuaţii odată şi stabilirea simultană a rezultatelor. Acest aspect este valabil şi pentru submodele. Operaţiunile nu au fost întotdeauna însoţite de verificarea adecvării procedurilor. Parametrii unor ecuaţii pot fi estimaţi utilizând metodele de probabilitate maximă cu informaţii limitate, dar parametrii altor ecuaţii vor rămâne nerestrictionaţi. Este cunoscut faptul că metodele cu informaţii limitate au fost mai puternice faţă de ecuaţiile eronat specificate din sistem. Acest fapt a fost verificat mai ales în situaţiile în care au existat teorii mai bune sau informaţii demne de încredere despre o submulţime de variabile. La baza adoptării metodelor ce vizează informaţii limitate au stat anumite considerente practice, scopul fiind simplificarea calculelor, prin eliminarea complexităţii specifice metodelor bazate pe informaţii complete (probabilitatea maximă bazată pe informaţii complete).

Authors and Affiliations

Ion PARTACHI, Alexandru MANOLE , Gabriela ANGHELACHE, Oana Georgiana NIŢĂ

Keywords

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  • EP ID EP154457
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How To Cite

Ion PARTACHI, Alexandru MANOLE, Gabriela ANGHELACHE, Oana Georgiana NIŢĂ (2016). Elemente teoretice privind modelarea prin combinarea subsistemelor. Revista Romana de Statistica, 64(7), 94-112. https://europub.co.uk/articles/-A-154457