Three essays on macro-finance: robustness and portfolio theory

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Almeida, Caio Ibsen Rodrigues de
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This doctoral thesis is composed of three chapters related to portfolio theory and model uncertainty. The first paper investigates how ambiguity averse agents explain the equity premium puzzle for a large group of countries including both Advanced Economies (AE) and Emerging Markets (EM). In the second article, we develop a general robust allocation framework that is capable of dealing with parametric and non parametric asset allocation models. In the final paper, I investigate portfolio selection criteria and analyze a set of portfolios out of sample performance in terms of Sharpe ratio (SR) and Certainty Equivalent (CEQ)

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