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The aim of this paper is to define and test local versions of standard correlation coefficients in statistical analysis. This research is motivated by the increasing number of applications using local versions of exploratory and explanatory spatial data analysis methods. A common example of the...
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This paper investigates how the ordering of variables affects properties of the time-varying covariance matrix in the … imposed when the ratio of volatilities is time-varying. Simulations demonstrate that estimated covariance matrices become more …
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In the context of current economic and financial crisis a comparative analysis of the main indices of economic and social performance of the EU member states is necessary. In such line of argument, the authors propose, as novelty, an economic power-economic performance matrix as a methodological...
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Peer effects in education production functions are predominantly employed as the mean classroom performance. Based on sociological theory and using spatial regression techniques, I introduce social network matrices that correspond to a weighting scheme for peers within the class. In a spatial...
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