Mr. Rosen will replace N. Gregory Mankiw , who resigned last week after two stormy years and returned to Harvard University .
N. Gregory Mankiw /business/person/company Harvard University
NNP NNP MD VB NNP NNP NNP , WP VBD JJ NN IN CD JJ NNS CC VBD TO NNP NNP .
N. Gregory Mankiw
PERSON
Harvard University
ORGANIZATION
/business/person/company