The experience in the period during and after the Asian crisis of 1997-98 has provoked an extensive debate about the credit rating agencies evaluation of sovereign risk in emerging markets lending. This study analyzes the role of credit rating agencies in international financial markets,...

We investigate covariance matrix estimation in vast-dimensional spaces of 1,500 up to 2,000 stocks using fundamental factor models (FFMs). FFMs are the typical benchmark in the asset management industry and depart from the usual statistical factor models and the factor models with observed...

The GMM estimator that is usually employed in the panel data literature, has an unbounded influence function. This means that the estimator is easily influenced by outliers in the data. This paper develops a variant of the GMM estimator that is less sensitive to anomalous observations....

Multiple blockholder structures are a widespread phenomenon in the U.S. The theoretical literature, however, provides conflicting predictions on whether a single large blockholder or a set of dispersed smaller blockholders is better for firm value. Using U.S. data, we find a negative...

This paper discusses the role of the credit rating agencies during the recent financial crises. In particular, it examines whether the agencies can add to the dynamics of emerging market crises. Academics and investors often argue that sovereign credit ratings are responsible for pronounced...