Two economists did the study: Angel(Andrew) Oswald of the University of Warwick in England and David Ble(a)nchflower at DartmouthCollege in New Hampshire.

• 两位经济学家进行了这项研究：英国沃里克郡大学的安德鲁.；奥斯瓦尔德和新罕布什尔州达特茅斯学院的大卫