As British citizens cast their votes tomorrow in a referendum on whether the U.K. should remain in the European Union or leave it, uncertainty runs high over the economic and political repercussions, whichever way the result goes. The precise question British voters will face tomorrow is: “Should the United Kingdom remain a member of the European Union or leave the European Union?” According to Wharton finance professor Joao Gomes , U.K. voters will likely choose to remain in the EU. He cited latest opinion polls, which show the momentum to leave has abated. “When push comes to shove, people will find it very hard to vote for something they are not quite sure what it actually is,” he said. Nevertheless, uncertainty prevails until the votes are cast, he added. Sebastian Mallaby , senior fellow for international economics at the Council on Foreign Relations, said there was a 30% risk of Britain voting to leave, and so the greater likelihood is that Britain will remain.…