Machine learning for high-dimensional dynamic stochastic economies

S Scheidegger, I Bilionis - Journal of Computational Science, 2019 - Elsevier
We present a novel computational framework that can compute global solutions to high-
dimensional dynamic stochastic economic models on irregular state space geometries. This …

Deep structural estimation: With an application to option pricing

H Chen, A Didisheim, S Scheidegger - arXiv preprint arXiv:2102.09209, 2021 - arxiv.org
We propose a novel structural estimation framework in which we train a surrogate of an
economic model with deep neural networks. Our methodology alleviates the curse of …

Sparse grids for dynamic economic models

J Brumm, C Krause, A Schaab… - Available at SSRN …, 2021 - papers.ssrn.com
Solving dynamic economic models that capture salient real-world heterogeneity and non-
linearity requires the approximation of high-dimensional functions. As their dimensionality …

WAMPS: Workload-Aware GPU Performance Model Based Pseudo-Preemptive Real-Time Scheduling for the Airborne Embedded System

Y Yao, S Liu, S Wu, J Wang, J Ni… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
New generation airborne embedded system has deployed Graphical Processing Units
(GPUs) to raise processing capability to meet growing computational demands. Comparing …

High-dimensional dynamic stochastic model representation

A Eftekhari, S Scheidegger - SIAM Journal on Scientific Computing, 2022 - SIAM
We propose a scalable method for computing global solutions of nonlinear, high-
dimensional dynamic stochastic economic models. First, within a time iteration framework …

Self-justified equilibria: Existence and computation

F Kubler, S Scheidegger - Available at SSRN 3494876, 2019 - papers.ssrn.com
This paper introduces the concept of``self-justified equilibria" as a tractable alternative to
rational expectations equilibria in stochastic general equilibrium models with heterogeneous …

Pricing American options under high-dimensional models with recursive adaptive sparse expectations

S Scheidegger, A Treccani - Journal of Financial Econometrics, 2021 - academic.oup.com
We introduce a novel numerical framework for pricing American options in high dimensions.
Our scheme manages to alleviate the problem of dimension scaling through the use of …

Comparison of HPC Architectures for Computing All-Pairs Shortest Paths. Intel Xeon Phi KNL vs NVIDIA Pascal

M Costanzo, E Rucci, U Costi, F Chichizola… - Argentine Congress of …, 2020 - Springer
Today, one of the main challenges for high-performance computing systems is to improve
their performance by keeping energy consumption at acceptable levels. In this context, a …

Deep surrogates for finance: With an application to option pricing

H Chen, A Didisheim, S Scheidegger - Available at SSRN 3782722, 2023 - papers.ssrn.com
Abstract We introduce``deep surrogates''--high-precision approximations of structural
models based on deep neural networks, which speed up model evaluation and estimation …

Scalable algorithms for high-dimensional graphical lasso and function approximation

A Eftekhari - 2021 - folia.unifr.ch
Fundamental tasks in multivariate and numerical analysis, such as sparse precision matrix
estimation via graphical lasso and function approximation, are formulated in ever-increasing …