Arezki, Rabah; Lederman, Daniel; Zhao, Hongyan - Oxford Centre for the Analysis of Resource-Rich … - 2012
to focus on trends in the evolution and volatility of ratios of price indexes composed of multiple commodities and …This paper studies the volatility of commodity prices on the basis of a large dataset of monthly prices observed in … evidence does not actually attempt to measure the volatility of prices of individual goods or commodities. The literature tends …