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SUMMARY:EAA Web Session 'Risk Aggregation and Capital Allocation: From Calibration to Application and Beyond'
DESCRIPTION:This web session focuses on the aggregation of individual risks to the overall level of an insurance company. To achieve this\, we apply both deterministic and stochastic copula-based approaches\, along with key risk measures such as Value-at-Risk (VaR) and Expected Shortfall (ES). The outcome of this process is the capital requirement\, which must be covered by the company’s own funds—a limited and costly resource that necessitates careful management. \nAgainst this backdrop\, we explore risk steering methods that support economically sound decision-making\, addressing key questions such as: \nHow can we impose effective risk limits for business segments?\nHow can we identify value-enhancing and value-reducing business segments in the context of the firm’s overall risk profile?\nHow can we make informed decisions on risk mitigation tools?\nHow can we incorporate the cost of capital into insurance pricing?\nA fundamental concept underlying all these questions is capital allocation\, and specifically the gradient (Euler) capital allocation principle. The principle is directly linked to “marginal capital requirements” and is compatible with the performance measures mentioned above. \nHowever\, the proper implementation of capital allocation in risk management\, risk limiting\, and decision making often imposes significant challenges. On the computational side\, the gradient allocation principle requires determining the derivative of the risk measure—typically Value-at-Risk or Expected Shortfall—with respect to business volumes or other decision variables. Obtaining these derivatives is numerically challenging\, especially when risk measurement relies on Monte Carlo simulations. We demonstrate methods to enhance the stability of these estimations\, such as kernel estimation. In addition\, the allocation has the limitation of accounting only for the risk diversification effects of the current portfolio\, which can easily become invalid if the portfolio changes… more details on the website\nAnmeldeschluss: 2025-10-24\nLink: https://actuarial-academy.com/seminars/seminar?No=E0512
URL:https://avoe.at/event/eaa-web-session-risk-aggregation-and-capital-allocation-from-calibration-to-application-and-beyond/
LOCATION:Online/Streaming
CATEGORIES:European Actuarial Academy (EAA)
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