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The aim of this paper is to define and test local versions of standard correlation coefficients in statistical analysis … methods is still an open field for basic research. In this paper a local version of Pearson correlation coefficient is defined … correlation among two variables representing spatial data in the absence of a global correlation and vice versa. The application …
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Slope coefficients in rank-rank regressions are popular measures of intergenerational mobility, for instance in regressions of a child's income rank on their parent's income rank. In this paper, we first point out that commonly used variance estimators such as the homoskedastic or robust...
Persistent link: https://www.econbiz.de/10014416045
the correlation criterion, whose implementation only requires the comparison of observed market shares. We show that, in a … large class of non-parametric models, the correlation criterion satisfies all the axioms by Manzini et al. (2018) and how …
Persistent link: https://www.econbiz.de/10012858232
The paper proposes a test for constant correlations allowing for breaks at unknown times in the marginal means and variances. Theoretically and in an application to US and German stock returns, we find that not accounting for changes in the marginal moments has severe consequences. This is...
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