?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.red.2020.04.005&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Altug&rft.aufirst=Sumru&rft.volume=vol.+38&rft.date=2020&rft.issn=1094-2025&rft.atitle=Ambiguous+business+cycles%3A+a+quantitative+assessment&rft.title=Review+of+Economic+Dynamics&rft.pages=220-237&rft.genre=article