International trade is frequently thought of as a production technology in which the inputs are exports and the outputs are imports. Exports are transformed into imports at the rate of the price of exports relative to the price of imports: the reciprocal of the terms of trade. Cast this way, a...

This paper explores the importance of the terms of trade to explain output fluctuations in Colombia, a developing country where almost 60% of the exports correspond to four commodities: oil (32%), coal (17%), coffee (5%) and nickel (2%), and where 80% of its imports are intermediate and capital...