Tìm kiếm theo: Chủ đề G-adapted strict

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  • Tác giả : Francesca, Biagini; Andrea, Mazzon; Ari-Pekka, Perkkiö;  Người hướng dẫn: -;  Đồng tác giả: - (2023)

    We study optional projections of G-adapted strict local martingales on a smaller filtration F under changes of equivalent martingale measures. General results are provided as well as a detailed analysis of two specific examples given by the inverse Bessel process and a class of stochastic volatility models. This analysis contributes to clarify the absence of arbitrage opportunities of market models under restricted information.