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 …

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 …