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Die Integration der Geschäftsaktivitäten der Unternehmung wird zunehmend entscheidend für die Schaffung und Stabilisierung von Wettbewerbsvorteilen. Dies gilt insbesondere angesichts völlig neuer Möglichkeiten durch die Informationstechnik, die die Integration ganzer Unternehmen und Märkte...
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This paper considers factor estimation from heterogenous data, where some of the variables are noisy and only weakly informative for the factors. To identify the irrelevant variables, we search for zero rows in the loadings matrix of the factor model. To sharply separate these irrelevant...
Persistent link: https://www.econbiz.de/10009674269
This paper argues that mainstream economics does not follow the positivist research tradition it (often implicitly) claims to follow and expresses some serious doubt that econometrics in particular can make economics a hard science. Mathematical rigour and sophisticated statisti-cal techniques...
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media is no longer a curiosity on the horizon but a significant part of your marketing mix. While other books explain why … social media marketing efforts …
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