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q-fin.MF2023
Are Shortfall Systemic Risk Measures One Dimensional?
Alessandro Doldi, Marco Frittelli, Emanuela Rosazza Gianin
Shortfall systemic (multivariate) risk measures defined through an -dimensional multivariate utility function and random allocations can be represented as classical (one…
q-fin.MF2023
Collective Arbitrage and the Value of Cooperation
Francesca Biagini, Alessandro Doldi, Jean-Pierre Fouque +2
We introduce the notions of Collective Arbitrage and of Collective Super-replication in a discrete-time setting where agents are investing in their markets and are allowed to coope…
cs.LG2023
Multivariate Systemic Risk Measures and Computation by Deep Learning Algorithms
Alessandro Doldi, Yichen Feng, Jean-Pierre Fouque +1
In this work we propose deep learning-based algorithms for the computation of systemic shortfall risk measures defined via multivariate utility functions. We discuss the key relate…