如题，5个币求助文献，market selection,reallocation and restructing in the US retail trade sector in the 1990s，作者foster,hatiwange,krizan,链接为http://www.mitpressjournals.org/doi/abs/10.1162/rest.88.4.748?journalCode=rest。要求是正版，非working paper 版本。多谢。