As an interesting aside, a historical study of price-to-sales actually signals the opposite, as the current metric stands at 1.8x at the low end of the historical range of 1.8x to 3.3x.

FORBES: This Hog Is Getting Quite Fat

Close textual analysis of the Iliad and the Odyssey, as well as examination of historical evidence and study of how such works are transmitted in a culture, logically pointed to the works being the output of unknown authors over a very long period time.

FORBES: Book Review

Unlike existing works that emphasise institutional and historical factors, this study analyses the importance of the presence of fixed costs as a source of market imperfections and very high profits in certain towns.

FORBES: The Market for Lemons and the Start of the Mafia