Answer:
1. The Scottish aren't sure what currency they would use. Scottish politicians want to keep using the pound if they gain independence. But London politicians are not keen on that idea, meaning Scotland could be a country scrambling to find a currency -- which would cause economic turmoil. “The Scots seem to have no plan ‘b,'" Reginald Dale, a former Financial Times European affairs reporter.
2. An uncertain future for the U.K. means uncertain financial markets.The polls showing majority voter support for independence have already devalued the pound and caused a downturn on the London Stock Exchange. The pound dropped 1.3% against the American dollar and 1% against the euro on Monday and is now at its lowest value in 10 months.
3. A separate U.K. and Scotland will likely have less international clout.A divided U.K. would be a weaker member of NATO and would cause a "huge blow to Britain's political weight," according to Dale, who is now a senior fellow with the Europe program at the Center for Strategic and International Studies. And Scotland would have almost no international standing to start with. The new nation would likely have to reapply to enter the European Union, which is not a sure bet because many European governments are dealing with separatist movements of their own and would rather not legitimize the Scottish government. That's according to Nicholas Dungan, a transatlantic relations expert with the Atlantic Council, a nonpartisan think tank
Step-by-step explanation:
Those are all cons