Weak transport for non?convex costs and model?independence in a fixed?income market
نویسندگان
چکیده
We consider a model-independent pricing problem in fixed-income market and show that it leads to weak optimal transport as introduced by Gozlan et al. use this characterize the extremal models for of caplets on spot rate establish first robust super-replication result is applicable markets. Notably, exhibits cost function which non-convex thus not covered standard assumptions theory. In an independent section, we problems general costs can be reduced equivalent do satisfy convexity assumption, extending scope This part could its own interest our financial application, accessible readers who are familiar with mathematical finance notation.
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ژورنال
عنوان ژورنال: Mathematical Finance
سال: 2021
ISSN: ['0960-1627', '1467-9965']
DOI: https://doi.org/10.1111/mafi.12328