而同时也存在着其他的原因，比如政客们寻找替罪羊的需要，媒体在互联网时代重新改造自身的努力，以及中央银行声明对于金融市场的可预测的短期效应。
But there are also other reasons having to do with politicians’ need for scapegoats, the media’s struggle to reinvent itself in the Internet age, and central-bank pronouncements’ predictable short-term effects on financial markets.