This study introduces a data-driven approach for assessing the practices and effectiveness of digital diplomacy, using the cases of South Korea and Japan. The study compared the networking power of public diplomacy organizations based on social media use, engagement with the public, interaction patterns among the public, and public perceptions and attitudes toward organizations. This was accomplished through a three-step method employing social network analysis and topic modeling. The network analysis found that the Korean public diplomacy organization generated a larger, more loosely connected, and decentralized comment network than the Japanese organization, which presented a "small-world" connectivity pattern with highly interconnected actors. The findings also suggest that, compared to the Japanese organization, the Korean organization was successful in not only enhancing its soft power through social media but also building international networks among the foreign public.

In light of China’s rapid growth and increasing engagement in the global climate regime, the authoritarian regulatory model has attracted attention from researchers and policymakers alike. This paper examines the question of to what extent and in what way state authoritarianism leads to (un)successful environmental policy implementation in China, with particular attention to energy transformation. This study inter-connects macro and micro inquiries through a case study of nuclear energy policy in China. An examination of the extended policy cycle as a comprehensive process that brings a policy to fruition shows that authoritarian regulatory environmental policy intervenes in each stage, resulting in a particular path of the evolution of environmental policy in nuclearising energy transformation in China. Adding to commonly accepted tenets of authoritarian environmentalism in general, the explanations of Chinese distinctiveness in materialising environmental policy enhances the understanding of the merits and challenges of authoritarian mechanisms of environmental policy.

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