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- W4287779076 abstract "Consider a financial market with nonnegative semimartingales which does not need to have a num'{e}raire. We are interested in the absence of arbitrage in the sense that no self-financing portfolio gives rise to arbitrage opportunities, where we are allowed to add a savings account to the market. We will prove that in this sense the market is free of arbitrage if and only if there exists an equivalent local martingale deflator which is a multiplicative special semimartingale. In this case, the additional savings account relates to the finite variation part of the multiplicative decomposition of the deflator." @default.
- W4287779076 created "2022-07-26" @default.
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- W4287779076 date "2020-05-12" @default.
- W4287779076 modified "2023-09-28" @default.
- W4287779076 title "No arbitrage and multiplicative special semimartingales" @default.
- W4287779076 doi "https://doi.org/10.48550/arxiv.2005.05575" @default.
- W4287779076 hasPublicationYear "2020" @default.
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