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With the widespread application of PPP in the construction field, the research on this topic has attracted considerable attention globally. A critical literature review, with comparison between the results from China and other countries, may facilitate a more comprehensive understanding of the research trend in various contexts. Based on a visual map analysis using the CiteSpace software, a total amount of 2399 pieces of PPP literature published in Chinese and international journals in 2008–2018 was screened and analyzed, in terms of the yearly number of publication, keyword cluster, keyword citation burst, as well as core institutions and authors. The main findings are: (1) The total amount of PPP literature has been increasing with 33.09% on average in the period investigated. In addition, the Chinese journals produced around five times of the publications in comparison to the international journals. (2) The Chinese PPP literature was focused more on the research theme of financing, whereas the international literature paid more attention to project management-related issues. (3) The collaboration between the international PPP research institutions was closer than the Chinese institutions. (4) The authors who contributed most of the Chinese PPP publications are the teams led by Mr. Jia from the Chinese Academy of Financial Sciences, and Professor Chan from the Hong Kong Polytechnic University in international publications. It was also suggested to conduct comparative research with a global perspective on PPP topic and to explore the application of modern technology in PPP projects to improve the management performance.

Comparative analysis on the PPP research in Chinese and international journals: a bibliometric perspective