Around a dozen rebels at the western gate could be seen wearing new , black body armour supplied by qatar and made by well-known colombian manufacturer miguel caballero .
Candido figueredo , caught up in the violence of guns and drug trafficking in the border town of pedro juan caballero .
深入枪支和毒品非法交易中心的边境小镇佩德罗-胡安-卡瓦列罗的记者坎迪多-菲格雷多。
This idea has been developed in a series of papers by ricardo caballero of the massachusetts institute of technology ( mit ) , emmanuel farhi of harvard university and berkeley 's mr gourinchas .
These ideas were set out in 2008 by ricardo caballero of massachusetts institute of technology , emmanuel farhi of harvard university and pierre-olivier gourinchas of the university of california , berkeley * .