This thesis consists out of three essays on systemic risk in the banking system and stock market contagion. The first essay (Trapp and Wewel, 2013, "Transatlantic systemic risk") investigates which type of systemic risk common shocks or contagion dominated in the US and European banking systems...

We examine the effects on a financial network of multilateral clearing via a central clearing counterparty (CCP) from an ex ante and ex post perspective. The CCP is capitalized with equity and a guarantee fund and it can charge a volume-based fee. We propose a CCP design which improves aggregate...

Financial network analysis is used to provide firm level bottom-up holistic visualizations of interconnections of financial obligations in global OTC derivatives markets. This helps to identify Systemically Important Financial Intermediaries (SIFIs), analyse the nature of contagion propagation,...

We use days with tail sovereign CDS spread changes of peripheral countries to identify the effects of shocks to the cost of borrowing of these countries on stock returns of banks from other countries. We find that tail sovereign GIIPS CDS changes have an asymmetric impact in that bank stocks...

Using variance decompositions in vector auto-regressions (VARs) we model a high-dimensional network of European CDS spreads to assess the transmission of credit risk to the non-financial corporate sector. Our findings suggest a sectoral clustering in the CDS network, where financial institutions...

Using variance decompositions in vector auto-regressions (VARs) we model a high-dimensional network of European CDS spreads to assess the transmission of credit risk to the non-financial corporate sector. Our findings suggest a sectoral clustering in the CDS network, where financial institutions...