Results from portfolio models for credit risk tell us that loan concentration in certain industry sectors can substantially increase the value-at-risk (VaR). The purpose of this paper is to analyze whether a tractable infection modelʺ can provide a meaningful estimate of the impact of...

Since the early 1990s an unprecedented process of consolidation has taken place in the banking sector in most industrialised countries raising concern of policymakers that it may reduce access to credit for the small business sector. While most of the existing empirical studies have focused on...

In dem Beitrag wird untersucht, wie unterschiedliche Ausprägungen regionaler Konzentration und Spezialisierung das langfristige Wachstum neugegründeter Unternehmen beeinflussen. Die Stichprobe umfasst wissensintensive und nicht-wissensintensive westdeutsche Unternehmen des verarbeitenden...

Using a unique data set on German banks' sector specific loan exposures to the real economy and the corresponding write-offs and write-downs, we examine the impact of loan portfolio sector concentration on credit risk. By controlling for common risk factors, we separate the bank-specific...