一、无效经济合同的概念及范围无效经济合同是指虽然经过当事人双方协商订立,但因其内容违反了法律的规定,因而不具备法律效力的合同。法律不保护该合同中所规定的当事人享有的权利,也不强制当事人履行该合同中所规定的义务。根据《中华人民共和国经济合同法》第七条的规定,在以下四种情况下所签订的合同为无效经济合同:一是违反法律和国家政策、计划的合同;二是采取欺诈、胁迫等手段所签订的合同;三是代理人超越代理权限签 First, the concept of invalid economic contracts and the scope of invalid Economic contract refers to the parties through both parties concluded, but because of its content in violation of the provisions of the law, and therefore does not have the force of law contracts. The law does not protect the rights of the parties as stipulated in the contract nor does it obligate the parties to fulfill the obligations stipulated in the contract. According to the “Economic Contract Law of the People's Republic of China” Article VII of the contract, the contract signed in the following four cases of invalid economic contracts: First, in violation of laws and national policies and plans of the contract; second is to take fraud, coercion and other means The contract signed; third is the agent to sign beyond the agency