The tectonic evolutionary history between the Xing'an Block (XB) and Songliao-Xilinhot Block (SXB) has been hotly debated. Here, we present precise geochronological ages and whole-rock geochemical data in the central Great Xing'an Range for the Carboniferous felsic rocks to reveal this tectonic history, as the petrogenesis of these rocks were closely related to tectonic activity between the XB and SXB. The age data with detailed geochemical analyses indicate three important stages of magmatism: early Carboniferous, early Late Carboniferous, and middle Late Carboniferous. The early Carboniferous granodiorites formed from the partial melting of metavolcanic rocks at mantle depths and show I-type features. The early Late Carboniferous monzogranites were generated by the partial melting of metagreywackes at middle to lower crustal depths, and they are S-type granites. The middle Late Carboniferous rhyolites formed from the partial melting of a thinned lower crust, and they display A-type characteristics. The data reveal three tectonic evolutionary stages between the XB and SXB during the Carboniferous era: from early Carboniferous subduction to early Late Carboniferous syn-collision, and to middle Late Carboniferous post-collisional extension. The accretionary mechanism of each stage featured horizontal accretion above subduction zones, amalgamation of different blocks, and vertical accretion fed by deep mantle materials, respectively.
Innovation serves as the first impetus for high-quality development. The role of government in promoting high-quality innovation development has become a chief driving force. Therefore, based on role theory, this paper will discuss the effect of different government roles on high-quality innovation development and regional alienation, providing policy recommendations for China. In this paper, firstly, a super-efficiency DEA model is introduced to measure the high-quality innovation development level among 30 provinces and municipalities in mainland China from 2010 to 2017. Secondly, a Tobit model is used to analyze the impact of different government roles on high-quality innovation development. The following conclusions are drawn through a super-efficiency DEA model: (1) From the holistic perspective, the high-quality innovation development in mainland China shows a fluctuating growth trend, but its level still needs improvement. (2) From the regional perspective, there is a patchwork pattern of ‘the eastern region ranks highest, followed by the western region and the middle region that stays at the lowest’. In addition, the three regions’ average of total factor productivity of high-quality innovation development has shown a smooth upward trend over the years. Then, the results of Tobit regression analysis are as follows: (1) Apart from the role in supporting talent, roles in constructing innovation platforms, cultivating the innovation environment, and coordinating social resources all pass the significance test. (2) Demands of different government roles vary significantly in different regions from the regional perspective. For the betterment of an innovation society, this paper puts forward suggestions according to different regional development statuses, such as shifting our focus from quantity to quality, strengthening cooperation among provinces and municipalities, and formulating appropriate governance role strategies.
At present, the external environment is full of crises and challenges. The practice of firms deploying slack resources in advance and actively coping with external disturbances has achieved good effect. But, the theoretical research process of organizational slack is relatively slow compared with practice. Therefore, this paper comprehensively applied a bibliometric method and traditional literature review method to carry out scientific econometric analysis on 958 papers from the WoS database. We visualized the results as knowledge maps and analyzed papers with the help of the knowledge graph. The research venation and evolution trend of organizational slack are sorted out from a longitudinal perspective. On this basis, we put forward the future development direction of organizational slack in line with emerging phenomena, mainly including: ① Clarifying the sources of organizational slack; ② Two new dimensions of defensiveness slack and strategic slack are proposed from functional attributes; ③ Based on the perspective of active response, we expand the research depth of firms to construct organizational resilience through organization slack to adapt to uncertain environments. The purpose of this paper is to provide new ideas for firms to make plans before turbulence occurs in highly uncertain environments. It provides a useful reference for the future development of organizational slack research and promotes the formation of a virtuous cycle of mutual promotion between theory and practice.
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