Strikingly, however, it added that even if countries reached agreement on the depth of the cuts necessary to their budgets, they could face difficulties in carrying out the cuts. The report, which comes amid growing worries about Britain’s credit rating, said: “In those countries whose debt has increased significantly, and especially those whose debt has become unaffordable, the need to rein in deficits will test social cohesiveness. The test will be starker as growth disappoints and interest rates rise.”