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Article
Publication date: 6 December 2024

Jianlan Li, Yuzhi Wang, Wang Zeng and Kaibo Liang

As the China–US trade tensions escalate, the implementation of US sanctions has imposed severe restrictions on the innovation resources of Chinese firms. This study introduces the…

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Abstract

Purpose

As the China–US trade tensions escalate, the implementation of US sanctions has imposed severe restrictions on the innovation resources of Chinese firms. This study introduces the theory of peer effect to investigate whether US sanctions stimulate a homogenization of innovation strategies among Chinese companies in the same industry, thereby giving rise to an innovation peer effect.

Design/methodology/approach

This study utilizes a sample of 4,078 A-share listed companies from 2015 to 2021 and employs a multi-period difference-in-differences (DID) model for analysis.

Findings

The findings indicate that US sanctions significantly stimulate innovation inputs among companies in the same industry, but concurrently, they suppress innovation outputs. Moreover, a higher degree of internationalization weakens the promotion of innovation inputs by US sanctions and amplifies the inhibitory effect on innovation outputs. A high proportion of long-term loans offsets the negative impact on innovation outputs, whereas a high proportion of short-term loans diminishes the positive impact on innovation inputs.

Research limitations/implications

This study elucidates how external shocks impact companies’ innovation capabilities within the same industry, offering a fresh perspective on understanding the influence of China–US trade tensions on innovation among Chinese firms.

Practical implications

Chinese firms should view US sanctions-induced technological challenges as opportunities, fostering breakthrough innovations through industry-academia collaboration. Balancing risk and reward is also key when navigating technological innovation and global strategies.

Originality/value

This study comprehensively reflects the impact of the US sanctions on Chinese firm innovation. It lays the foundation for analyzing the transmission mechanism of other trade policies under the framework of trade friction theory.

Details

Management Decision, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0025-1747

Keywords

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Article
Publication date: 3 May 2022

Yuming Zhai, Kaibo Yang, Lu Chen, Han Lin, Mingchuan Yu and Ruoyu Jin

Digital technologies, such as big data and artificial intelligence, significantly impact entrepreneurial activities worldwide. However, research on entrepreneurial activities…

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Abstract

Purpose

Digital technologies, such as big data and artificial intelligence, significantly impact entrepreneurial activities worldwide. However, research on entrepreneurial activities enabled by digital technologies is fragmented, divergent and delayed. This study aims to provide a structured review of digital entrepreneurship (DE) to identify status, hotspots, knowledge structure, dynamic trends and future developments in this field.

Design/methodology/approach

The bibliometric analysis was applied to offer a technological review on DE. In total 704 publications and their 34,083 references from Web of Science were retrieved as the sample set. Basic characteristics of publications, including the most influential documents, authors, journals and countries, were obtained. Then, co-citation and co-occurrence analyses were conducted to sketch the contours of the structure and evolution of DE.

Findings

DE has attracted increasing attention in the past three decades, especially after 2013. There are dozens of countries, hundreds of journals and more than 1,000 authors that have contributed to this field. Based on keyword co-occurrence clustering and co-citation clustering, the authors proposed a 3E (empower, evolution and ecosystem) framework of DE to facilitate an interdisciplinary dialogue for evidence-based policymaking and practice. In the future, researchers need to pay more attention to theoretical research and study DE from a holistic and dynamic perspective with consideration to the negative impact of digital technology on entrepreneurial activities.

Originality/value

This study draws an outline of the global advance on DE research. It presents an opportunity to comprehensively understand the contemporary achievements, the march of knowledge and the logical venation underlying academic developments as well as foundations for policymaking.

Details

Journal of Business & Industrial Marketing, vol. 38 no. 3
Type: Research Article
ISSN: 0885-8624

Keywords

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Article
Publication date: 11 January 2024

Liangbin Chen, Lihong Zhao, Keren Ding, Kaibo Xu and Xianzhe Tang

This study aims to optimize the preparation conditions and modify the nanofiltration (NF) membranes to prepare high-performance polysulfone/sulfonated polysulfone composite…

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Abstract

Purpose

This study aims to optimize the preparation conditions and modify the nanofiltration (NF) membranes to prepare high-performance polysulfone/sulfonated polysulfone composite nanofiltration (PSF/SPSF-NF) membranes through interfacial polymerization.

Design/methodology/approach

Investigating the impacts of anhydrous piperazine (PIP) concentration, trimesoyl chloride (TMC) concentration and basement membrane type on NF membrane performance, the optimal membrane was prepared. In addition, nano-SiO2 was added to the active separation layer to modify the NF membranes.

Findings

The comprehensive performance of PSF/SPSF-NF membranes was optimized when the concentration of PIP was 0.75 Wt.% and the concentration of TMC was 0.15 Wt.%, at which time the water flux was 66.1 L·m−2·h−1 and the retention rate of Na2SO4 was 98.1%. The comprehensive performance of polysulfone/sulfonated polysulfone-SiO2 nanofiltration (PSF/SPSF-SiO2-NF) membranes was optimized when the blending ratio of nano-SiO2 to PIP was 2:3, with a pure water flux of 81.9 L·m−2·h−1 and a Na2SO4 retention rate of 95.9%. Compared to polysulfone nanofiltration (PSF-NF) membranes and PSF/SPSF-NF membranes, NF membranes with nano-SiO2 increased the flux recovery rate by 22.9% and 8.7%.

Practical implications

PSF/SPSF-SiO2-NF membrane exhibits excellent antifouling properties.

Originality/value

There is currently no literature available on the preparation of NF membranes using polysulfone/sulfonated polysulfone (PSF/SPFS) as a substrate. This provides a method for modifying NF membranes, starting with the modification of the basement membrane and then modifying the active separation layer.

Details

Pigment & Resin Technology, vol. 54 no. 2
Type: Research Article
ISSN: 0369-9420

Keywords

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