无权处分行为的内涵及效力研究

在中国债权形式主义的物权变动立法模式下，无权处分行为包括订立无权处分合同的法律行为和履行该合同的事实行为。无权处分合同有效论，符合中国法律规定和现实生活的需要，也不会损害原权利人的利益.

On the validity of unauthorized disposition contract

In our legislative mode of transfer real right through an valid contract and delivery or registration, the acts of unauthorized disposition concluding a contract of unauthorized disposition as juristic act and performing the contract as juristic fact. The doctrine of unauthorized disposition contract having validity is not only consistent with our legal requirements and real-life needs, but also not harmful to the principal.