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Are Characteristics Covariances or Characteristics?

SSRN Electronic Journal, 2020
In this article, we shed more light on the covariances versus characteristics debate by investigating the explanatory power of the instrumented principal component analysis (IPCA), recently proposed by Kelly et al. (2019). They conclude that characteristics are covariances because there is no residual return predictability from characteristics above ...
Hornuf, L., Fieberg, C.
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Mothers' Characteristics, Interactions, and Infants' Characteristics

Child Development, 1981
Stable characteristics of rhesus monkey mothers, in terms of Confident and Excitable scores, were significantly positively correlated with the respective scores of their daughters but not their sons. With sons, mothers' Excitable scores were significantly negatively correlated with sons' Confident scores.
J, Stevenson-Hinde, M J, Simpson
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On Characteristic Decomposition and Quasi-characteristic Decomposition

2019
In this paper, the concepts of quasi-characteristic pair and quasi-characteristic decomposition are introduced. The former is a pair \((\mathcal {G}, \mathcal {C})\) of a reduced lexicographic Grobner basis \(\mathcal {G}\) and the W-characteristic set \(\mathcal {C}\) which is regular and extracted from \(\mathcal {G}\); the latter is the ...
Rina Dong, Chenqi Mou
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