?url_ver=Z39.88-2004&rft_id=10.1007%2Fs40888-015-0014-y&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Sufrauj%2C+ShamnaazB.&rft.aufirst=ShamnaazB.&rft.aulast=Sufrauj&rft.issn=1973-820X&rft.issue=2&rft.pages=135-166&rft.volume=32&rft.date=2015&rft.title=Economia+Politica&rft.atitle=Big+hits%2C+export+concentration+and+volatility&rft.genre=article