Data-The blocking and transmission effects
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A total of 10487 samples stored.Definitions of the variablesDependent variableTransaction efficiency—YOn a monthly basis, the time interval between patent publication and transaction, the shorter the interval, the higher the efficiencyExplanatory variableInstitutional reform—PostThe value is 0 before the system reform and 1 after the reformControl group—TreatEnterprises are assigned a value of 0, and universities are assigned a value of 1Difference term—DIDDID = Treat × PostControl variableTransaction type—MonopolyTransference and exclusive licenses are assigned a value of 3, sole licenses are assigned a value of 2, and general licenses are assigned a value of 1Number of claims—RightThe number of patent claimsNumber of pages—DocumentThe number of pages in the patent application documentNumber of applicants—ApplicantThe number of patent applicantsIPC classification number—IPCThe number of IPC classifications for patent applicationsHomologous number—FamilyThe number of patents filed in the same family
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Science Data Bank
创建时间：
2024-04-19
