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This article examines the relationship between observed claim frequencies in the automobile insurance line and the evolution of selected economic magnitudes. From a variety of economic variables, we aim to identify the main factors affec - ting claim frequencies, while controlling for other...
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small relative to the sample size, T , are reviewed. Then the large N case is covered. Regularization and dimension … reduction methods are then discussed. Irrespective of the model size, there is an unavoidable tension between prediction …
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