Sovereign Risk in Macroprudential Solvency Stress Testing

Dynamical macroprudential stress testing using network theory

The increasing frequency and scope of financial crises have made global financial stability one of the major concerns of economic policy and decision makers. This has led to the understanding that financial and banking supervision has to be thought of as a systemic task, focusing on the interdependent relations among the institutions. Using network theory, we develop a dynamic model that uses a...

Sovereign Credit Risk Measures

This paper focuses on sovereign credit risk meaning a hot topic related to the current Eurozone crisis. In the light of the recent financial crisis, market perception of the creditworthiness of individual sovereigns has changed significantly. Before the outbreak of the financial crisis, market participants did not differentiate between credit risk born by individual states despite different lev...

Macroprudential capital requirements and systemic risk

In the aftermath of the financial crisis, there is interest in reforming bank regulation such that capital requirements are more closely linked to a bank’s contribution to the overall risk of the financial system. In our paper we compare alternative mechanisms for allocating the overall risk of a banking system to its member banks. We explicitly take into account that overall risk as well as ea...

Risk and Determination of Solvency Capital in the Solvency 2 Framework

This paper investigates the robustness of the Solvency Capital Requirement (SCR) when a log-normal reference model is slightly disturbed by the heaviness of its tail distribution. It is shown that situations with “almost” lognormal data and a rather important variation between the “disturbed” SCR and the reference SCR can be built. The consequences of the estimation errors on the level of the S...

Restricted Coherent Risk Measures and Actuarial Solvency