Research on the influence of "the Belt and Road" initiative on regional innovation efficiency Research on the influence of "the Belt and Road" initiativeon regional innovation efficiency Research on the influence of "the Belt and Road" initiativeon [i.e. initiative on] regional innovation efficiency Research on the influence of the Belt and Road Initiative on on enterprise Research on the influence of innovation element height and network interaction degree on regional innovation capability Research on the influence of agricultural production agglomeration on grain production efficiency The research on the influence of innovation element height and network interaction degree on regional innovation capability Research on the influence of top management team innovation awareness on employee's innovation performance Research on the influence of environmental regulation on industrial Ecological efficiency Research on the influence of boards' monitoring on corporate innovation