处于世界经济中心外围的国家与更为发达的国家相比往往更加贫穷，并比他们更加依赖商品贸易，而且他们单独2009年就必须偿还超过1.4万亿美元的银行贷款。 没有国际援助，这些贷款就无法周转。
Countries on the periphery tend to be poorer and more dependent on commodities than the more developed world, and they must repay more than $1.4 trillion in bank loans in 2009 alone.  These loans cannot be rolled over without international assistance.