以下是近期《时代周刊》中介绍新上任的一位IMF官员对IMF未来如何发挥其职能的个人看法的材料:WhatO’NeillhassaidrepeatedlyisthattheIMFshouldstopplayingfireman,rushingtohelpafteracountry’sfinanceshaveburstintoflames,andbecomea“firemarshal”(消防署署长)instead.Thismeansinterferingearly,advisingcountriesexactlywhatiswrongandwhatreformsareneeded,trackingresultsandthenissuingpublicwarningwhencountriesareheadingfordisaster.”ifacountrywillfully(固执地)followsbadpoliciesthatit’sbeentalkedtoabout,”saysO’Neill,”wecanbemorerelaxedinsayingtothem:’wearenotgoingtobetherewhenchickenscometoroost(习语,指恶行的自作自受).’”请根据以上材料,回答下列问题:你觉得一国出现货币金融危机会完全是由于“坏政策”造成的吗?还有哪些因素也可能现在的货币金融危机爆发负责任。