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Ambiguity and learning about the equity premium can simultaneously explain the low fraction of financial wealth allocated to stocks over the life cycle and the stock market participation puzzle. Individuals are ambiguous about the size of the equity premium and are averse to this ambiguity,...
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-advisor. We conduct an online experiment using the second price sealed-bid auction to elicit subjects' valuation to the portfolio … when the portfolio is constructed by a Robo-advisor than a Human-advisor. The result is consistent with the theory of …
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uncertainty. By using duality theory, we show that the robust portfolio selection problem via learning with a mixture model can be …
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