Why Latin America is the world's trade pipsqueak

Follow a lorry laden with Brazilian-made cars as it inches down the hairpin bends of the Paso Internacional Los Libertadores into Chile and the challenges of trade within Latin America become clear. Four times the lorry grinds to a halt as workers repair the road ahead; snow, ice and avalanches will soon smash it up again. The delays are so long that drivers hop out to smoke, staring up at the surrounding peaks. There is at least one crash a week, reckons a border official. This is the busiest trade crossing between Argentina and Chile, but treacherous ice means in…