3-5 August 2022
Universität Klagenfurt
Europe/Vienna timezone

Clustering financial institutions based on Wasserstein distance

3 Aug 2022, 17:00
20m
HS 3 (Universität Klagenfurt)

HS 3

Universität Klagenfurt

Talk Stochastics Session A2 Stochastics

Description

Financial institutions submit data on their credit portfolios to regulators. An individual institution can be identified with a distribution that is representative of its respective credit portfolio. We are interested in finding representative clusters of financial institutions based on the notion of Wasserstein barycenter. A particular challenge arises from missing data since financial institutions are subject to different regulatory requirements. This leads us to establish a form of the k-means clustering algorithm in Wasserstein space which can deal with missing coordinates.

This is based on joint work with Julio Backhoff and Mathias Beiglböck.

Primary authors

Julio Backhoff (University of Vienna) Mathias Beiglböck (University of Vienna) Lorenz Riess (University of Vienna)

Presentation Materials

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