Vector autoregressions are used to model price transmission through the coffee processing chain, from producers to the world market and from the world market to consumers. A comparison is made of price dynamics against a backdrop of two very different market structures: pre-1989, producers...

Following a critical review of the existing quantitative literature on cotton subsidies, a vector autoregression (VAR) is used to model the effects of US subsidies on the world cotton market from 1965 to 2001. Surprisingly, subsidies are found to have only a limited impact on prices despite...