Abstract
Portfolio optimization problems on a finite time horizon under proportional transaction costs are considered. The objective is to maximize the expected utility of the terminal wealth. The ensuing non-smooth time-dependent Hamilton–Jacobi–Bellman equation is solved by regularization and the application of a semi-smooth Newton method. Discretization in space is carried out by finite differences or finite elements. Computational results for one and two risky assets are provided.
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Roland Herzog: This research was carried out in part at the Johann Radon Institute for Computational and Applied Mathematics (RICAM), Austrian Academy of Sciences, Linz, Austria; Karl Kunisch: Research supported in part by the Fonds zur Förderung der wissenschaftlichen Forschung (FWF) under SFB 32, Mathematical Optimization and Applications in the Biomedical Sciences; Jörn Sass: J. Sass gratefully acknowledges financial support by Deutsche Forschungsgemeinschaft (DFG).
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Herzog, R., Kunisch, K. & Sass, J. Primal-dual methods for the computation of trading regions under proportional transaction costs. Math Meth Oper Res 77, 101–130 (2013). https://doi.org/10.1007/s00186-012-0416-3
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DOI: https://doi.org/10.1007/s00186-012-0416-3