The Securities and Exchange Commission (SEC) sanctioned investor-paid rating agency Egan-Jones for falsely stating that it did not know its clients' investment positions. The SEC's action against Egan-Jones raises the broad question whether knowledge of clients' investment positions creates a...

Intra-site search engines (ISEs) dedicated to private electronic markets have become popular with the fast-growing electronic markets. Among several research facets regarding the advertising services of ISEs, we focus on how to optimise the ISE-based advertising market mechanism by improving the...