To a great extent this reflected his and most macroeconomists’ assumption that markets were, most of the time, rational and efficient.
很大程度上，这反映了他和大多数宏观经济学家的看法，假定大多数情况下市场是理性而高效的。
2
Since the core assumption was that man is rational and markets are efficient, concern about risk took a back seat to concerns over how to make the good times last.