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We propose a probability-integral-transformation-based estimator of multivariate densities. Given a sample of random vectors, we first transform the data into their corresponding marginal distributions. We then estimate the density of the transformed data via the exponential series estimator....
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-price dynamics to diagnose financial bubbles by providing three main innovations. First, we introduce the quantile regression to the … quantile regression of LPPLS signals contributes useful early warning signals. The comparison between the constructed signals …
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