... Most existing research has only examined the determinants of patient choices in the offline world, finding that patients make trade-offs between measured quality, price, and distance (Acton, 1975;Aoun, Matsuda, & Sekiyama, 2015;Avdic, Moscelli, Pilny, & Sriubaite, 2019;Baker, Bundorf, & Kessler, 2016;Beckert, 2018;Beckert, Christensen, & Collyer, 2012;Doyle Jr, Graves, Gruber, & Kleiner, 2015;Gutacker, Siciliani, Moscelli, & Gravelle, 2016;Jiang et al., 2020;McClellan, McNeil, & Newhouse, 1994;Nemet & Bailey, 2000). Second, our study advances the literature examining the impact of the Internet on reducing geographic barriers to economic activities (Cairncross, 1997;Fan et al., 2018;Hortaçsu et al., 2009;Lendle et al., 2016;Lieber & Syverson, 2012). Our results reinforce previous findings that geographic distance is still an important factor in people's online activities, even though the Internet has substantially reduced search frictions and transaction costs (Hortaçsu et al., 2009). ...