A variant of the economic argument for European unity is the claim that enhanced integration makes it easier to finance debt, because interest rates are lower. A reduction in borrowing costs constituted a powerful motive in the 1990’s for southern European governments to join the monetary union.
欧洲统一的另一个经济理由是加强一体化能让债务融资更容易，因为利率更低了。借贷成本的减少是20世纪90年代南欧政府加入货币联盟的强力动机。但进入无违约环境的代价是昂贵的。