Through a constant market share (CMS) model and a price index model, current research aims to analyze the impetus of the growth of Hainan, China’s fruit exports and the adverse impact of rising production costs. This paper considered the changes in the international competitiveness of Hainan’s fruit exports and analyzed the reasons for these changes. Additionally, this manuscript analyzed the effects of Hainan’s price-bargaining power on fruit exports under the condition of asymmetric information by applying a two-tier stochastic frontier analysis model. The results show that the rising costs of labor led to the gradual loss of price advantage, and the contribution of competitiveness to the growth of Hainan’s fruit exports has rapidly declined. The results also indicate that the degree of information held by both importers and Hainan has an important influence on the final exporting price, whereas the importers hold more information and have stronger price-bargaining power than Hainan. Policy suggestions based on the results are proposed.
In order to explore the influencing factors of the e-government responsiveness in China, the System-Competition-Interaction analysis model was proposed to reflect the ability of e-government to respond to citizens’ demands. 960 pieces of information were collected from 480 local e-government websites in China, and field experiments were conducted on how local governments responded to citizens’ demands. The results show that there are regional differences in e-government responsiveness in China. The response probability of Northeast China is the lowest, and that of western region is the slowest. The response system and neighborhood effect are the core elements that affect e-government responsiveness. The interaction demands of citizens can not significantly affect government responsiveness. According to the research results, the practical enlightenment is that the future should change from “system-driven response” and “competition-driven response” to “citizen-driven response,” which is of a certain practical significance for improving the response level of e-government of local governments in China.
From the perspective of current economic development trends, the digital economy has become a new economic growth point. As the only Hainan Free Trade Port (FTP) in China, the FTP provides new opportunities for Hainan to develop tropical and efficient modern agriculture with characteristics. However, Hainan has a relatively low starting point for developing High-Efficiency and Characteristic Tropical Agriculture (HECTA) in Hainan. It is necessary to explore an effective mechanism for promoting the development of HECTA in Hainan relying on the digital economy. It is necessary to establish and improve the cooperation mechanism, data sharing mechanism, and talents that realize the full coverage of digital infrastructure construction: the team training mechanism and the guarantee mechanism at the legal and normative level.
Water conservancy facilities play a vital role in rural economic development and social stability, which are the foundation of national food security guarantee. Practice has proved that investing in agricultural infrastructure can not only promote the growth of agricultural output but also narrow the gap between the rich and the poor. In this paper we will establish a VAR model of water conservancy facilities in Haikou and grain yield to analyze the affecting factors between them, and make some recommendations to make the most of water conservancy facilities in Haikou to increase the local food production.
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