原因之一是斯蒂格利茨和克鲁格曼这样的自由新古典主义经济学家与非正统经济学家的价值观有某些相似之处，而价值观的近似又很容易与分析的近似相互混淆。
One reason is that liberal neo-classical economists like Stiglitz and Krugman share values with heterodox economists, and shared values are easily conflated with shared analysis.