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Abstract In this review, we provide practical guidance on some of the main machine learning tools used in portfolio weight formation. This is not an exhaustive list, but a fraction of the ones used that have some statistical analysis behind them. All this research is essentially tied to precision matrix of excess asset returns. Our main point is that the techniques should be used in conjunction with the outlined objective functions.
Opinions remain divided about whether government debt constitutes a serious problem. Putting aside the simpler issue of future tax burdens, should we be worried about whether government debt bogs down America’s economy? Federal Reserve Chairman Jerome Powell said he is “very worried” about the growing amount of U.S. debt.
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