?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=G%C3%B3mez+Portilla&rft.aufirst=Karoll&rft.date=26+January+2015&rft.title=Essays+on+Bond+Return+Predictability+and+Liquidity+Risk