The fields of covariance extension and spectral estimation are at the forefront of modern signal processing and statistical inference. Covariance extension methods focus on reconstructing complete ...

Graphical models provide a robust framework for representing the conditional independence structure between variables through networks, enabling nuanced insight into complex high-dimensional data.

Froot, K. A. "Consistent Covariance Matrix Estimation with Cross-Sectional Dependence and Heteroskedasticity in Cross-Sectional Financial Data." Journal of Financial and Quantitative Analysis 24, no.

This issue of The Journal of Risk addresses the forecasting of a common volatility index, the correlation between collateralized debt obligations (CDOs) and a systematic factor, the risk spillover ...