User profiles for Philipp Koziol

Philipp Koziol

European Central Bank
Verified email at ecb.europa.eu
Cited by 423

Supplier default dependencies: Empirical evidence from the automotive industry

SM Wagner, C Bode, P Koziol - European Journal of Operational Research, 2009 - Elsevier
Common ways to mitigate the detrimental consequences of supplier bankruptcies are to install
redundancy and to pursue a multiple-sourcing strategy. This is based on the assumption …

An analysis of the consistency of banks' internal ratings

T Berg, P Koziol - Journal of Banking & Finance, 2017 - Elsevier
Internal ratings-based models are used for a variety of important bank and regulatory
decisions. Thus, model risk – the potential for different models to provide different probability-of-…

Market discipline across bank governance models: Empirical evidence from German depositors

EA Arnold, I Größl, P Koziol - The Quarterly Review of Economics and …, 2016 - Elsevier
German savers are renowned for preferring safe, long-term investments, thus providing patient
capital, with bank deposits playing an important role. Based on a unique data set for the …

Support for the SME supporting factor: Multi-country empirical evidence on systematic risk factor for SME loans

M Dietsch, K Düllmann, H Fraisse, P Koziol, C Ott - 2016 - papers.ssrn.com
Using a unique and comprehensive data set on the two largest economies of the Eurozone-France
and Germany-this paper first proceeds to a computation of the Gordy formula relaxing …

Many a little makes a mickle: Stress testing small and medium-sized German banks

R Busch, P Koziol, M Mitrovic - The Quarterly Review of Economics and …, 2018 - Elsevier
We develop a macroeconomic portfolio stress test that is specifically geared towards small
and medium-sized German banks. We combine a credit risk stress test which simulates credit …

Negative default dependence in supplier networks

SM Wagner, C Bode, P Koziol - International Journal of Production …, 2011 - Elsevier
The financial defaults of suppliers in a supplier network are significant risks and causes of
uncertainty for buying firms. Hitherto, it has been largely neglected that default probabilities of …

[BOOK][B] Are SME loans less risky than regulatory capital requirements suggest?

K Duellmann, P Koziol, D Bundesbank - 2019 - eba.europa.eu
Our paper addresses firm size as a driver of systematic credit risk in loans to small and
medium-sized enterprises (SMEs). Key contributions are the use of a unique data set of SME …

Credit risk stress testing and copulas: Is the Gaussian copula better than its reputation?

P Koziol, C Schell, M Eckhardt - 2015 - papers.ssrn.com
In the last decade, stress tests have become indispensable in bank risk management which
has led to significantly increased requirements for stress tests for banks and regulators. …

The term structure of currency hedge ratios

O Korn, P Koziol - International Journal of Theoretical and Applied …, 2011 - World Scientific
This paper investigates the variance minimizing currency forward hedge of an exporting firm
that is exposed to different sources of risk. In an empirical study, we quantify the …

Evaluation of minimum capital requirements for bank loans to SMEs

K Düllmann, P Koziol - 2013 - papers.ssrn.com
Our paper addresses firm size as a driver of systematic credit risk in loans to small and medium
enterprises (SMEs). Key contributions are the use of a unique data set of SME lending by …