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Displaying similar documents to “Corrections : “Penetration times and Skorohod stopping””

On randomized stopping times.

Concepción Arenas Solá (1990)

Trabajos de Estadística

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In this note we give a proof of the fact that the extremal elements of the set of randomized stopping times are exactly the stopping times.

On Existence of Local Martingale Measures for Insiders who Can Stop at Honest Times

Jakub Zwierz (2007)

Bulletin of the Polish Academy of Sciences. Mathematics

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We consider a market with two types of agents with different levels of information. In addition to a regular agent, there is an insider whose additional knowledge consists of being able to stop at an honest time Λ. We show, using the multiplicative decomposition of the Azéma supermartingale, that if the martingale part of the price process has the predictable representation property and Λ satisfies some mild assumptions, then there is no equivalent local martingale measure for the insider....