This paper examines the development modes of inland ports based on the economic models and the Chinese empirical cases. After reviewing the recent policies in China, four modes, i.e., the government-driven mode, the seaport-driven, the market-driven mode and the corridor-effect mode, are established to describe the development of Chinese inland ports from the perspective of the driving forces. Moreover, we setup an economic model to compare them and conclude that (1) the seaport-driven mode promotes the larger inland port than the corridor-effect mode and the market-driven mode; (2) if the marginal capacity investment cost is low or the efficiency of the inland port is high enough, the corridor-effect mode leads to higher social welfare than the market-driven mode and the seaport-driven mode; (3) whether the government-driven mode promotes the larger inland port and higher social welfare than the other modes depends on the positive externality from the inland port to the social welfare; (4) The "Go west" policy and the Belt and Road Initiative (B&R) promote the inland port capacity under all modes. Whether the Free Trade Zone (FTZ) and the port integration promote the inland port capacity depends on the port efficiency improvement after the implementation of these policies.

As a near-Arctic state and a shipping power, China shows great interest in developing polar shortcuts from East Asia to Europe against the background of shrinking Arctic sea ice. Due to the Arctic’s historic inaccessibility and corresponding vulnerable ecosystems, Arctic shipping activities must be carried out sustainably. In this study, a content analysis method was adopted to detect Chinese perspectives toward sustainable Arctic shipping based on qualitative data collected from the websites of several Chinese government agencies. Results show that, first, China emphasizes the fundamental role played by scientific expeditions and studies in developing Arctic shipping routes. Second, China encourages its shipping enterprises to conduct commercial and regularized Arctic voyages and intends to strike a good balance between shipping development and environmental protection. Third, China actively participates in Arctic shipping governance via extensive international cooperation at the global and regional levels. Several policy recommendations on how China can develop sustainable Arctic shipping are proposed accordingly.

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Abstract-Four counties (districts) in Guangdong are the examples of the study. The study through reviewing literature, annual financial data, questionnaires and surveys reveals the relationship between economic development and social trust. Based on the study of the data, we found that the trust levels of the counties were mediocre; regional economic development level and the level of trust showed a certain degree positive correlation. Overall, some factors such as income, education, occupation had an impact on the trust, whether it is better for economic development or a relatively weak region. Besides, we found that economy have a strong impact on specific trust. General trust is not obvious, however. Within this context, we try to think about the relationship between the economic development and trust promotion and try to change the low trust level.