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We show that the recent results on the Fundamental Theorem of Asset Pricing and the super-hedging theorem in the context of model uncertainty can be extended to the case in which the options available for static hedging (hedging options) are quoted with bid-ask spreads. In this set-up, we need...
Persistent link: https://www.econbiz.de/10010489073
In this paper, a dual risk model under constant force of interest is considered. The ruin probability in this model is …
Persistent link: https://www.econbiz.de/10011906144
and emotional status on risk behavior in general. …
Persistent link: https://www.econbiz.de/10014232388
framework is model-free and allows for stresses on the output such as (a) the mean and variance, (b) any distortion risk measure … including the Value-at-Risk and Expected-Shortfall, and (c) expected utility type constraints, thus making the reverse … sensitivity analysis framework suitable for risk models. …
Persistent link: https://www.econbiz.de/10013364877
area of environmental, social, and corporate governance (ESG) within portfolio decisions. It considers a risk- and … ambiguity-averse investor allocating resources to a risk-free asset, a market index, a green stock, and a brown stock. The study … study contrasts ambiguity-averse investors with their non-ambiguity counterparts, revealing more cautious risk exposures …
Persistent link: https://www.econbiz.de/10014497337
Insurance loss data are usually in the form of left-truncation and right-censoring due to deductibles and policy limits, respectively. This paper investigates the model uncertainty and selection procedure when various parametric models are constructed to accommodate such left-truncated and...
Persistent link: https://www.econbiz.de/10014435618
Mean-variance portfolio optimization is more popular than optimization procedures that employ downside risk measures … results hold even if the CVaR is used, because all downside risk measures are difficult to estimate. The popularity of … variance as a measure of risk appears therefore to be rationally justified. …
Persistent link: https://www.econbiz.de/10012203653
We study a new risk measure inspired from risk theory with a heat wave risk analysis motivation. We show that this risk … useful for measuring the potential impact of climate change on heat wave risk. Numerical illustrations are given. …
Persistent link: https://www.econbiz.de/10010338320
The estimation of future sea level rise (SLR) is a major concern for cities near coastlines and river systems. Despite this, current modelling underestimates the future risks of SLR to property. Direct risks posed to property include inundation, loss of physical property and associated economic...
Persistent link: https://www.econbiz.de/10011866366
reduce NPEs in the subsequent period. In conclusion, climate risk management represents a crucial challenge for the financial …
Persistent link: https://www.econbiz.de/10015065864