In America, where the social safety net was flimsier, there were far fewer regulatory rigidities and people were more willing to move, so workers responded more flexibly to structural shifts.

• 美国的社会安全网（注6）更是不堪一击，几无协调、制度刻板，人们更愿意四处走动，因此劳工对结构转变的反应表现出更大的灵活性。