Jaramillo G., Patricio; Selaive C., Jorge - In: El Trimestre Económico LXXV (4) (2008) 300, pp. 945-980
In the last few years, we have observed a significant boot in copper prices which has been accompanied with a larger share of speculators. In fact, long positions of speculators increased from 25% in 2002 to 47% in 2005. In this work, we build a comprehensive weekly database with positions of...