Technical paper/Variation margin
One bad apple: default risk at CCPs
One clearing member's disproportionately large position increases the credit risk for all CCP members
A sound modelling and backtesting framework for forecasting initial margin requirements
Anfuso, Aziz, Loukopoulos and Giltinan propose a method to develop and backtest forecasting models for IM
Does initial margin eliminate counterparty risk?
Andersen, Pykhtin and Sokol show the existence of residual exposure after initial margin posting
Systemic risks in CCP networks
Barker, Dickinson, Lipton and Virmani propose a credit and liquidity risk model for CCPs
Cutting edge introduction: Expanding collateral options
Two RBC quants propose a way to value CSAs with more than two currency posting options