If be in , guarantee happen inside deadline belong to guarantee the quality problem of limits , estate development company ought to be fulfilled guarantee compulsory , the loss that causes to oneself assumes liability to pay compensation ; betray a person to reject repair of protracted inside reasonable time perhaps rehabilitate , vendee is ok proper motion rehabilitate perhaps entrusts other rehabilitate , the repair cost that produces by betray a person to assume , assume maintenance responsibility by user proper motion ; because the user is used undeserved or do sth without authorization alters the position of structure , equipment and undeserved maintenance quality problem that create , estate business does not assume maintenance responsibility 假如在保修期限内发生的属于保修范围的质量问题，房地产开发企业应当履行保修义务，并对自己造成的损失承担赔偿责任；出卖人拒绝修复或者在合理期限内拖延修复的，买受人可以自行修复或者委托他人修复，所产生的修复费用由出卖人承担，由用户自行承担维修责任；因用户使用不当或擅自改动结构、设备位置和不当维修等造成的质量问题，房地产商不承担维修责任。
Since the scarcity and the high transaction costs generates the free - rider , a infringement incentive , in which case it needs to intervene in the law of infringement . the purpose of damages for infringement is to make a national infringement person assume liability for infringement and increase the cost of its infringement , even greater cost 在这种情况下需要侵权法来干预,侵权损害赔偿的目的是让理性的使自己利益最大化的加害人承担损害赔偿责任以增加其侵权成本,填补被侵权人的损失从而使侵权人无利可图甚至付出更大的成本。
Points out that the liability of danger is not the sanction to violations of law . the basic idea of the liability of danger lies in " the reasonable distribution of unlucky damages " . the main reasons are : ( 1 ) the doctrine of origin of danger , i . e . the owner or holder of enterprise , instrument , < | > r article assume the liability because they create the danger ; ( 2 ) doctrine of control of danger , i . e . the enterprise assumes the liability for it ? controls the danger in certain extent ; ( 3 ) doctrine of " enjoying benefit , assuming liability " , i . e . the owner or holder of enterprise , instrument , or article assume the liability because they enjoy the benefit ; ( 4 ) doctrine of allocation of losses , i . e . the damages occurred from the liability of danger should be dissipated through the price mechanism of commodity service and insurance system Esser )在其名著《危险责任之基础与发展》 ( 1941年)一书中指出，危险责任不是对不法行为的制裁，危险责任的根本思想在于“不幸损害的合理分配” ，主要根据在于： ( 1 )危险来源说，即因为企业、物品或装置的所有人或持有人制造了危险来源，因而应承担责任； ( 2 )危险控制说，即企业在某种程度能控制这些危险，因此应负责任； ( 3 )享受利益负担危险说，即企业、物品或装置的所有人或持有人从其企业、装置或物品中获得利益，故理所当然应当负担风险； ( 4 )损失分摊说，因危险责任而生的损害赔偿，得经由商品服务的价格机能和保险制度予以分散。
