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Purpose The purpose of this paper is to investigate the relationship between relational capital and supply chain collaboration (SCC) and how this relationship relates to innovation. The authors propose a theoretical framework to illustrate the effect of relational capital on three dimensions of collaboration and radical and incremental innovation. Design/methodology/approach The paper has a quantitative approach. The authors conducted the survey to collect the data from 225 suppliers in the Hunan province of China. The proposed model is tested with exploratory factor analysis, confirmatory factor analysis and structural equation modelling. Findings The findings show that relational capital can facilitate information sharing and benefit/risk sharing when firms work together to achieve innovation. Furthermore, the results indicate that relational capital leads to radical innovation through facilitating information sharing among firms and helps in generating incremental innovation by encouraging firms to share risks and benefits with their partners. Practical implications The findings of this study give some suggestions for managers of the firms in terms of building their collaborative strategies. Managers should exploit relational capital to build successful and long-term collaboration. Also, through relational capital, managers can share information to create radical innovation or pool risks and share benefits with their customers to achieve incremental innovation. Originality/value This study provides a nuanced understanding of the relationship between relational capital, different dimensions of SCC and innovation in the context of a developing economy. Moreover, the findings provide a clearer understanding of the collaborative mechanism of relational capital and collaboration to achieve radical and incremental innovation.

This paper studies the impact of business efficiency on the level of sustainable development information disclosure of Vietnamese enterprises by using path structure model with the data of 294 enterprises listed on the stock market in 3 years from 2015 to 2017. Research results show that the level of sustainable development information disclosure of Vietnamese enterprises listed on the stock market is still quite low. This study has identified factors that positively influence the level of sustainable development information disclosure including business efficiency, firm size, Big4 and the number of members of the board of directors. The negative influencing factors with the level of sustainable development information disclosure are financial leverage and business sector. Based on the research results, the study propose some recommendations to improve the level of sustainable development information disclosure of enterprises in Vietnam: (i) promote disclosure of sustainable development for their benefit to businesses; (ii) supplement and improve the current legal system in Vietnam to create a solid legal basis for the implementation of sustainable development information disclosure.

Radical innovation in product and services have become more important for firms to gain competitive advantages and stay ahead in the competition. In the supply chain, more and more suppliers endeav...