本文目的在於透過回顧以維和行動為客體的研究，呈現相關研究在國際組織研究及新自由主義架構下的貢獻與不足之處。第一，代理難題仍是相關研究最常用以檢視這類議題的架構，源於分工不明與利益衝突的代理難題是最常出現的現象，同時也是這類研究偏好的議題。第二，資訊失衡造成的代理難題雖可能對維和行動的效力產生最大的負面影響，但卻較少被研究。第三，相關研究與實踐侵蝕了典則理論的主張如下:其一，非民主國家在重複賽局的架構下並未改變其對維和行動的觀點，這樣的現象挑戰了典則理論對聲譽..

By reviewing the studies about peacekeeping operations, this essay focuses on the contributions and contradictions of those studies and the neo- liberalism arguments about international organization studies. Firstly, the principal-agent problems (PA problems) are not only the most common phenomena in the practice of the peacekeeping operations but also are the wide-adapted framework in those studies, particularly on those PA problems that originated from the vague division of labor and from the severe conflict of interests. S..