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control and how they are combined, is lacking. In this paper, a review of several recent-year-developed works that deal with …
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Updating the study by Seiler and Wohlrabe (2013) we use archetypoid analysis to classify top economists. The approach allows us to identify typical characteristics of extreme (archetypal) values in a multivariate data set. In contrast to its predecessor, the archetypal analysis, archetypoids...
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an objective industry classification that clusters companies using patent citations to better measure changes in company … structure over time. Our classification predicts daily stock co-movement between 5% and 25% better than SIC and NAICS …
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