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We study soft persistence (existence in subsequent temporal layers of motifs from the initial layer) of motif structures in Triangulated Maximally Filtered Graphs (TMFG) generated from time-varying Kendall correlation matrices computed from stock prices log-returns over rolling windows with...
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the "competition effect", by which desired price markups and inflation decrease when entry rises. We find that a 1 percent …
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In 1982, the Journal of Forecasting published the results of a forecasting competition organized by Spyros Makridakis …
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