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Effect of government R&D subsidies on firms’ innovation in China
Wu Ruirui,Liu Zhiying,Ma Chaoliang,Chen Xiafei 기술경영경제학회 2020 ASIAN JOURNAL OF TECHNOLOGY INNOVATION Vol.28 No.1
This study investigates the effects of R&D subsidies on firms’ innovation using panel data of Chinese listed firms from 2008 to 2013. Through propensity score matching method, we determine that recurrent, high-tech firms are more likely to receive public grants. Moreover, firms affiliated with higher-level governments and located in minimally marketised regions have a higher probability of receiving government financial support. China's state intervention to correct market failure related to firms’ R&D activity is confirmed to be reasonable in an observable time given an instantaneous additionality effect. However, the stimulation effect of R&D subsidies on innovation outputs has not been verified. Results obtained through a continuous matching method show no optimal amount of R&D subsidies for firms in China, but a declining yet a positive marginal effect of treatment has been identified given an increase in the amount of R&D subsidies.
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Lin Qiu,Peipei Wang,Boyao Zhang,Lang Liu,Xiaoping Wang,Chaoliang Lei,Yongjun Lin,Weihua Ma 한국응용곤충학회 2017 Journal of Asia-Pacific Entomology Vol.20 No.4
Transgenic rice expressing Bacillus thuringiensis (Bt) Cry1Ac and Cry2Aa toxins have proven resistant to lepidopteran pests in China, including the striped stem borer, Chilo suppressalis. Identifying the molecular mechanisms through which Cry toxins affect insect pests is essential, both for understanding the nature of their toxicity, and for assessing the potential for the development of resistance to such toxins. In this study, both onedimensional gel electrophoresis (1-DE), combined ligand blots and mass spectrometry, were used to identify proteins binding to the Cry1Ac and Cry2Aa toxins in brush border membrane vesicles (BBMVs) of the C. suppressalis larvae midgut. Aminopeptidase-N (APN), alkaline phosphatase (ALP), cadherin-like (CAD), ATP-binding cassette transporter subfamily C1 protein (ABCC1), actin, ATPase, alpha amylase, and heat shock protein cognate (HSPC), were detected in Cry1Ac binding bands, and APN, actin, ATPase and HSPC were identified as Cry2Aa potential binding proteins. The novel potential binding protein, delta-aminolevulinic acid dehydratase, was also detected in both Cry1Ac and Cry2Aa binding bands. This is the first study to comprehensively identify the proteins that bind to Cry1Ac and Cry2Aa toxins in C. suppressalis.
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