We introduce a generalized theoretical approach to study imitation and subject it to rigorous experimental testing. In our theoretical analysis we find that the different predictions of previous imitation models are due to different informational assumptions, not to different behavioral rules....

It is challenging to explain the collapse in the price of subprime mortgage-backed securities (MBS) during the Financial Crisis of 2008, using the existing models of fire-sale. I present amodel to demonstrate that fire-sales may happen evenwhen there is a relatively sizable pool of natural...

A recurring theme in recent years in the debate on the international role of currencies has been the possiblity of pricing oil in euro. This paper contributes to these debates by providing a detailed review of the empirical evidence regarding the market for crude oil and current oil invoicing...