In this paper, we present a novel approach towards variance reduction for discretised diffusion processes. The proposed approach involves specially constructed control variates and allows for a significant reduction in the variance for the terminal functionals. In this way, the complexity order of the standard Monte Carlo algorithm (ε-3) can be reduced down to ε-2|log(ε)| in case of the Euler scheme with ε being the precision to be achieved. These theoretical results are illustrated by several numerical examples.
CITATION STYLE
Belomestny, D., Häfner, S., & Urusov, M. (2017). Regression-Based Variance Reduction Approach for Strong Approximation Schemes. In Springer Proceedings in Mathematics and Statistics (Vol. 208, pp. 131–178). Springer New York LLC. https://doi.org/10.1007/978-3-319-65313-6_7
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