Título: Representation of continuous linear forms on the set of ladlag processes and the hedging of American claims under proportional costs
Autores: Chassagneux, Jean-Francois; ENSAE
Bouchard, Bruno; Université Paris Dauphine, Ceremade
Fecha: 2009-01-01
Publicador: Electronic journal of probability
Fuente:
Tipo: Peer-reviewed Article

Tema: Randomized stopping times; American options; transaction costs
91B28, 60G42
Descripción: We discuss a d-dimensional version (for làdlàg optional processes) of a duality result by Meyer (1976) between {bounded} càdlàg adapted processes and random measures. We show that it allows to establish, in a very natural way, a dual representation for the set of initial endowments which allow to super-hedge a given American claim in a continuous time model with proportional transaction costs. It generalizes a previous result of Bouchard and Temam (2005) who considered a discrete time setting. It also completes the very recent work of Denis, De Vallière and Kabanov (2008) who studied càdlàg American claims and used a completely different approach.
Idioma: No aplica

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