?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Parakhoniak&rft.aufirst=Anastasiia&rft.date=24+May+2018&rft.title=Essays+on+economics+of+information%3A+search%2C+networks+and+price+discrimination