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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...
Persistent link: https://www.econbiz.de/10013033022
number of risks, the total risk margin is often reduced to reflect "diversification benefits." How large should the … diversification benefit be? And how should the benefit be allocated to the individual risks?. We propose a simple statistical solution …
Persistent link: https://www.econbiz.de/10013039523
The so-called risk diversification principle is analyzed, showing that its convenience depends on individual …
Persistent link: https://www.econbiz.de/10011845500
The paper examines whether bank diversification in multiple dimensions can protect bank lending from uncertainty shocks … significantly alleviated by bank diversification in the loan portfolio, income, and funding aspects. Our findings offer practical … implications for regulators and banks themselves: bank diversification can effectively act as a lending shock absorber in periods …
Persistent link: https://www.econbiz.de/10014518590
geographical diversification have been subjected to test. The validation of the said theory has been made via hypothesis testing in …The paper is an empirical research work wherein the principle of Modern Portfolio Theory along with aspects of …
Persistent link: https://www.econbiz.de/10013102156
Analytic solutions to Risk Parity, Maximum Diversification, and Minimum Variance portfolios provide useful perspectives … Diversification and Minimum Variance portfolios. On the other hand, all investable assets are included in Risk Parity portfolios, and …
Persistent link: https://www.econbiz.de/10013091900
) are being planned? 2. Diversification. How should non-diversified (idiosyncratic) risks in capital cost and valuation be … returns to be evaluated. Chapter III then shows how a replication model can be used to take imperfect diversification into … account. The equity capital cost rate is calculated for an arbitrary degree of diversification and it is shown how a company …
Persistent link: https://www.econbiz.de/10013152153
This paper rationalizes the LASSO algorithm based on uncertain fat-tail priors and max-min robust optimization. Our rationalization excludes heuristic learning or restrictive prior assumptions in the original interpretation of LASSO (Tibshirani (1996)). In our setting, economic agents...
Persistent link: https://www.econbiz.de/10014235781
. In the longer run, however, a trade-off between diversification and climate action emerges. We derive the optimal carbon …
Persistent link: https://www.econbiz.de/10012258563
to provide convincing results. DRP strives for maximum diversification along uncorrelated risk sources. A straightforward …
Persistent link: https://www.econbiz.de/10012938440