尽管自入侵乌克兰以来,对俄罗斯的制裁有所加强,但许多国家对俄罗斯石油的购买仍有增无减,从根本上为战争提供了资金支持。Anette E. Hosoi和Simon Johnson在CEPR政策洞察中提出了一项限制俄罗斯全球石油出口网络的战略,通过实施一项全面的规定,禁止所有俄罗斯石油和石油产品进口,并将使在欧盟油轮上运输此类货物成为非法行为。这一制裁体系将为打破供应链上现有的合同提供法律依据,并严重限制俄罗斯为其在乌克兰的军事行动提供资金的能力。
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