This paper models the interaction of working (also called pipeline) and speculative commodity stocks. We model working inventories (i.e., raw material inventories carried by processors) based on Ramey's (1989) model of inventories as factors of production, which allows us to represent storage...

This article contributes to the ongoing discussion on the drivers of food price volatility. Based on theoretical considerations, economical, agricultural, and political determinants of domestic price volatility are identified and discussed. A dynamic panel is estimated to account for country...