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q-fin.RM2024
An Explicit Scheme for Pathwise XVA Computations
Lokman Abbas-Turki, Stéphane Crépey, Botao Li +1
Motivated by the equations of cross valuation adjustments (XVAs) in the realistic case where capital is deemed fungible as a source of funding for variation margin, we introduce a…
q-fin.RM2024
Provisions and Economic Capital for Credit Losses
Dorinel Bastide, Stéphane Crépey
Based on supermodularity ordering properties, we show that convex risk measures of credit losses are nondecreasing w.r.t. credit-credit and, in a wrong-way risk setup, credit-marke…
q-fin.RM2023
Resolving a Clearing Member's Default, A Radner Equilibrium Approach
Dorinel Bastide, Stéphane Crépey, Samuel Drapeau +1
For vanilla derivatives that constitute the bulk of investment banks' hedging portfolios, central clearing through central counterparties (CCPs) has become hegemonic. A key mandate…