The purpose of this work is to provide a critical presentation and some extensions of two perspectives of informational efficiency: On the one hand the neoclassical perspective or "arithmomorphic approach" explains efficiency in terms of a concept mainly based on an explicit economic theory. On...

In this study, we investigate the dynamics behind informed investors' trading decisions among European stock, options and credit default swap markets. This allows us to identify the predictive explanatory power of the unique information contained in each market with respect to future stock, CDS...

In this study, we investigate the dynamics behind informed investors' trading decisions among Eu-ropean stock, options and credit default swap markets. This allows us to identify the predictive ex-planatory power of the unique information contained in each market with respect to future stock,...