Multivariate risk measures in the non-convex setting
Risk Management
2021-01-15 v2
Abstract
The family of admissible positions in a transaction costs model is a random closed set, which is convex in case of proportional transaction costs. However, the convexity fails, e.g. in case of fixed transaction costs or when only a finite number of transfers are possible. The paper presents an approach to measure risks of such positions based on the idea of considering all selections of the portfolio and checking if one of them is acceptable. Properties and basic examples of risk measures of non-convex portfolios are presented.
Keywords
Cite
@article{arxiv.1902.00766,
title = {Multivariate risk measures in the non-convex setting},
author = {Andreas Haier and Ilya Molchanov},
journal= {arXiv preprint arXiv:1902.00766},
year = {2021}
}
Comments
14 pages. Minor revision