2016
DOI: 10.1007/s00780-016-0289-z
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Stability of utility maximization in nonequivalent markets

Abstract: Stability of the utility maximization problem with random endowment and indifference prices is studied for a sequence of financial markets in an incomplete Brownian setting. Our novelty lies in the nonequivalence of markets, in which the volatility of asset prices (as well as the drift) varies. Degeneracies arise from the presence of nonequivalence. In the positive real line utility framework, a counterexample is presented showing that the expected utility maximization problem can be unstable. A positive stabi… Show more

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Cited by 6 publications
(4 citation statements)
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“…We note that there are stability results in the literature which ensure that if (2.9) holds for some Q ∈ M 1 (P), then it also holds in a neighbourhood around that Q; see e.g. [54,78]. For the case when the infimum and supremum can be interchanged, the set Q can be restricted to measures for which (2.9) holds without affecting the indirect utility; cf.…”
Section: Existence Of An Optimal Strategymentioning
confidence: 99%
“…We note that there are stability results in the literature which ensure that if (2.9) holds for some Q ∈ M 1 (P), then it also holds in a neighbourhood around that Q; see e.g. [54,78]. For the case when the infimum and supremum can be interchanged, the set Q can be restricted to measures for which (2.9) holds without affecting the indirect utility; cf.…”
Section: Existence Of An Optimal Strategymentioning
confidence: 99%
“…Due to the vastness of this literature, we refer the reader to the book by Prigent [51] for references. Finally, in more recent times and starting from the works of Kardaras and Žitković, the stability of utility maximisation has been studied in Kardaras and Žitković [37], Larsen [39], Larsen and Žitković [40], Mocha and Westray [43] and Weston [53], among others.…”
Section: Literaturementioning
confidence: 99%
“…Due to the vastness of this literature we refer the reader to the book [54] for references. Finally, in more recent times and starting from the works of Kardaras and Žitković, the stability of utility maximization has been studied in [38,40,41,44,57] among others.…”
Section: Literaturementioning
confidence: 99%