This study aims to develop a typological configuration that characterizes the full spectrum of collaborative platform economy business practice in the real world. The analysis is conducted on the basis of a large-scale data set which contains information on 1,335 representative platforms in more than 60 countries on five continents, covering almost all collaborative platform economy business practices mentioned in academic journals and public media. Leveraging the k-means clustering method, an empirical typology comprising seven categories of collaborative platform economy business practice is proposed: collaborative support platform, resource supply platform, authentic C2C platform, C2C mutualized mobility platform, hybrid service platform, B2C service platforms, collaborative finance platform. In addition, with the help of operating status data of the collaborative platform economy, a cross-comparative analysis was also carried out on the category differences and geographic differences.

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Social propaganda and guidance policies have important practical significance for promoting public green travel. In recent years, the rapid development of digital technology, network, and mobile communication technology has promoted a revolutionary change in the dissemination of information and services. However, in the era of new media communication driven by emerging technologies, there is still a lack of research on the impact of social propaganda and guidance policies on public willingness to travel green. Based on the theory of planned behavior and the survey research of China's urban residents, this study investigates the impact of social propaganda and guidance policies on public willingness to travel green. Regression analysis is used to identify the influencing factors of public green travel willingness, and to reveal the internal impact mechanism of social propaganda and guidance policies on public green travel willingness. The mediating role of public green travel attitude, subjective norm, and perceived behavior control in social propaganda and guidance policy and travel willingness are also empirically analyzed. The results show that social propaganda and guidance policies have a significant positive impact on green travel attitudes, subjective norms, perceived behavior control, and green travel intentions. Green travel attitude, subjective norm, and perceived behavior control play a mediating role in the relationship between social propaganda and guiding policies and green travel willingness, but the mediating effect of the subjective norm is relatively weak.

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