My first paper proposes two new risk factors in the equities markets: investor attention and investor sentiment. Stocks that co-vary negatively with attention to the stock market outperform in the following months in a behavior that is consistent with a priced risk factor. On the other hand,...

This paper assesses the quantitative impact of ambiguity on historically observed financial asset returns and growth rates. The single agent, in a dynamic exchange economy, treats the conditional uncertainty about the consumption and dividends next period as ambiguous. We calibrate the agent's...

Using exchange rates futures instead of forwards completes the maturity spectrum of the correlation between the spot return and the premium. The correlation decreases with increasing maturity, presumably due to a latent risk premium. We hypothesize that the influence of the unobserved risk...

This paper assessed the quantitative impact of ambiguity on historically observed financial asset returns and growth rates. The single agent, in a dynamic exchange economy, treats the conditional uncertainty about the consumption and dividends next period as ambiguous. We calibrate the agent's...

This introductory umbrella chapter interlinks the three essays of this dissertation thesis and explains their stance towards the economic discipline. The essays focus on two key exchange rate puzzles, which are the forward premium puzzle of Fama (1984) and the consumption real exchange rate...

Motivated by the problems of the conventional model in rationalizing market data, we derive the equilibrium interest rate and risk premiums using recursive utility in a continuous-time model. We use the stochastic maximum principle to analyze the model. This method uses forward/backward...