In the semester before economics textbooks are revised , sales plummet , typically by 50 percent , according to the researchers , Judith Chevalier , a Yale economist , and Austan Goolsbee , a University of Chicago economist .
Austan Goolsbee /business/person/company University of Chicago
IN DT NN IN NNS NNS VBP VBN , NNS VBP , RB IN CD NN , VBG TO DT NNS , NNP NNP , DT NNP NN , CC NNP NNP , DT NNP IN NNP NN .
Austan Goolsbee
PERSON
University of Chicago
ORGANIZATION
/business/person/company