Sharp movements in the British pound shortly before the release of U.K. economic data have dissipated since the government curtailed officials’ access to nonpublic information, according to a new academic study.
In early 2017, The Wall Street Journal reported on a pattern of unusual movements in the pound and U.K. government bond futures in the minutes or hours before the release of sensitive economic reports. The phenomenon, shown in an analysis by Alexander Kurov, a finance professor at West Virginia University, suggested…