“…Our main results are quantitatively very similar, although we cover fewer colleges and fewer countries because Glassdoor has expanded rapidly since then.12 Our concern here is measurement error, as variable pay is reported imprecisely for workers paid on an hourly or monthly basis. While more than one-third of U.S. workers(Lemieux et al, 2009) and 22-55 percent of salaried workers in Glassdoor abroad(Sockin & Sockin, 2019b) report earning variable income,Sockin & Sockin (2019a) estimate that variable pay accounts for 4-7 percent of labor earnings.13 In descending order of share of migrants: United States, United Kingdom, Canada, Germany, India, Australia, Ireland, Netherlands, Singapore, Spain, and France.…”