The concept of model uncertainty is one of increasing importance in the field of Mathematical Finance. The main goal of this work is to explore model uncertainty in the specific area of algorithmic and high frequency trading. From a behavioural perspective, model uncertainty naturally leads to...

The effect of four distinct market events on investor risk aversion is evaluated using options data on the WTI crude oil futures contract during the 2007-2011 period. The risk aversion function and the stochastic discount factor (SDF) are estimated using parametric approaches before and after...

We consider an optimal execution problem where an agent holds a position in an asset which must be liquidated (using limit orders) before a terminal horizon. Beginning with a standard model for the trading dynamics, we analyse how the acknowledgement of model misspecification affects the agent's...

This paper explores the relationship between linguistic variation and individual attitudes toward risk and uncertainty. We propose an innovative marker that classifies languages according to the number of non-indicative moods in the grammatical contexts involving uncertainty. We find that...

This paper explores the relationship between linguistic variation and individual attitudes toward risk and uncertainty. We propose an innovative marker that classifies languages according to the number of non-indicative moods in the grammatical contexts involving uncertainty. We find that...