For starters, assessing and implementing aid policy requires developing tools to gauge accurately where need is greatest. Economists have developed some useful indicators, but they are vastly less precise than politicians and the media seem to understand.
首先，获取和实施援助政策要求使用某些工具去准确判定哪些地方最需要帮助。对此经济学家创立了一些有用的指数，但这些指数的准确度却远不如政治家和媒体以为的那样精确。