The steep dive October 7 of the British pound in early Asian trading — losing more than 6% against the U.S. dollar — has been attributed to computerized trades amid low liquidity. It has, nevertheless, become the most visible barometer of how painful Britain’s imminent exit from the European Union could be. British Prime Minister Theresa May last Sunday stressed immigration over economic issues as the driving factor behind Brexit at a Conservative Party meeting, where she said negotiations on leaving the EU must get underway by March 2017. Experts predict that Britain will have a tough time at the bargaining table, and advise the EU to play hardball, if only to deter others among its member-states from considering similar exits. How Brexit can be achieved with minimum damage to either side depends on how exactly it is negotiated and how the transition is managed, says Mauro Guillen , Wharton professor of management and director of The Lauder Institute . “The U.K.…