The root reason why the system of contract is in an advantageous position over that of legalization lays in the fact that partnership possesses a strong personal nature and the common objective to bear the risk cost continuously.

• 合伙中，先买权采法定制优于约定制，其根本原因在于合伙具有很强的人合性且有持续的须负担风险的共同目的.；这引起先买权法定制下的团体均衡成本、监督协作成本及先买契约成本等方面都低于先买权约定制下。