Precaution and relief to political risk in international investment Evaluating and controlling political risk in international project Precaution against the operation al risk of international logistics Escaping from the ethical risk in international economics Evaluation and influencing factors of political risk of outward foreign direct investment Intelligent prediction and countermeasure decision for political risk in international projects Research on the denial of benefits clause in international investment treaties 并列题名:Study on regulation of state-owned enterprises in international investment law