We consider an investor who faces parameter uncertainty in a continuous-time financial market. We model the investor's preference by a power utility function leading to constant relative risk aversion. We show that the loss in expected utility is large when using a simple plug-in strategy for...

We analyse the consequences of post-trade risk reduction services for systemic risk in derivatives markets. Our focus is on portfolio rebalancing, which is a mechanism of injecting new trades to reduce the overall counterparty exposure, and portfolio compression, which is a mechanism to reduce...

We analyse the consequences of conservative portfolio compression, i.e., netting cycles in financial networks, on systemic risk. We show that the recovery rate in case of default plays a significant role in determining whether portfolio compression is potentially beneficial. If recovery rates of...

We analyse the consequences of portfolio compression on systemic risk. Portfolio compression is a post-trading netting mechanism that reduces gross positions while keeping net positions unchanged and it is part of the financial legislation in the US (Dodd-Frank Act) and in Europe (European...

We analyse the consequences of portfolio compression on systemic risk. Portfolio compression is a post-trading netting mechanism that reduces gross positions while keeping net positions unchanged and it is part of the financial legislation in the US (Dodd-Frank Act) and in Europe (European...