In the article, linkages among sovereign CDS instruments in Central Europe are investigated. Special attention is paid to the change of causality patterns during the Hungarian and Greek crises. The results of the research reveal that the expectations do play a role in determining the prices of...

In this paper we use a copula-based GARCH model to estimate conditional variances and covariances of the multivariate relationship among English, German and French markets. To that, we used daily prices of FTSE100, DAX and CAC from July 2009 to July 2011, totalizing 508 observations. The...

We develop a new simultaneous time series model for volatility and dependence with long memory (fractionally integrated) dynamics and heavy-tailed densities. Our new multivariate model accounts for typical empirical features in financial time series while being robust to outliers or jumps in the...

The performance of techniques for evaluating univariate volatility forecasts are well understood. In the multivariate setting however, the efficacy of the evaluation techniques is not developed. Multivariate forecasts are often evaluated within an economic application such as portfolio...

To advance our understanding of the mechanisms through which monetary policy affect the economy, in this note we analyze the volatilities of the Mexican short-term interest rate and of the peso-Dollar exchange rate under two monetary policy instruments: a non-borrowed reserves requirement target...