We use an extensive data set of bilateral exposures on credit default swap (CDS) to estimate the impact on collateral … demand of new margin and clearing practices and regulations. We decompose collateral demand for both customers and dealers … impact on collateral demand of more widespread initial margin requirements, increased novation of CDS to central clearing …

defaulting member. We consider schemes that use a collateral pool calculated using a rolling time window. Our simulations show … that the size of the window has a very significant effect on the average level of collateral and its variability day to day …, creating an interesting trade-off. Collateral levels and variability may be important for ACSS participants because they could …