The extension of GARCH models to the multivariate setting has been fraught with difficulties. In this paper, we suggest to work with univariate portfolio GARCH models. We show how the multivariate dimension of the portfolio allocation problem may be recovered from the univariate approach. The...

This paper studies the determinants of interest rate spreads of euro area 10 year government bonds against the benchmark, the German bund, after the introduction of the euro. In particular, it pays attention to the question whether market discipline is advanced or obstructed by financial...

This paper examines the degree of fragmentation in the Euro overnight unsecured money market during the period June 2008 – August 2013 using interbank loans constructed from payments data. After controlling for cross-country differences in bank risk, we document several episodes of significant...

This paper provides an assessment of the impact of the covered bond purchase programme (hereafter referred to as the CBPP) relative to its policy objectives. The analysis presented on the impact of the CBPP on both the primary and secondary bond markets indicates that the Programme has been an...

Policy impact studies often suffer from endogeneity problems. Consider the case of the ECB Securities Markets Programme: If Eurosystem interventions were triggered by sudden and strong price deteriorations, looking at daily price changes may bias downwards the correlation between yields and the...

In this paper we propose a proxy for the implied volatility of OTC equity derivatives. Our methodology rests on two pillars: (1) we exploit the information embedded in the price of the underlying asset by combining two measures of price volatility (2) we pool the stocks by sector in order to...

This article empirically faces the lively debate over the choice of an appropriate copula function to be used to price and risk monitor some credit derivatives products. We consider the explicit pricing of collateralized debt obligations and basket default swaps, and empirically examine these...

Basel 3 has incorporated valuation adjustment in calculations of regulatory capital for counterparty credit risk, introducing an important element for the pricing and risk management of derivatives portfolios. The use of an advanced or standardized Cva risk capital charge method depends on...