Multi-asset return risk measures

Christian Laudag\'e, Felix-Benedikt Liebrich and J\"orn Sass

Papers from arXiv.org

Abstract: We revisit the recently introduced concept of return risk measures (RRMs). We extend it by allowing risk management via multiple so-called eligible assets. The resulting new risk measures are called multi-asset return risk measures (MARRMs). We analyze properties of these risk measures. In particular, we prove that a positively homogeneous MARRM is quasi-convex if and only if it is convex. Furthermore, we state conditions to avoid inconsistent risk evaluations. Then, we point out the connection between MARRMs and the well-known concept of multi-asset risk measures (MARMs). This is used to obtain various dual representations of MARRMs. Moreover, we compare RRMs, MARMs, and MARRMs in numerous case studies. First, using typical continuous-time financial markets and different notions of acceptability of losses, we compare MARRMs and MARMs and draw conclusions about the cost of risk mitigation. Second, in a real-world example, we compare the relative difference between RRMs and MARRMs in times of crisis.

Date: 2024-11
New Economics Papers: this item is included in nep-rmg
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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:2411.08763

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