Suchergebnisse

Abstract
In this paper, we used the panel smooth transition model (PSTR) to study the nonlinear relationship between sulfur dioxide emissions and economic growth in the three regions of China's eastern, middle and western regions, based on panel data from 31 provinces and autonomous regions in China from 2005 to 2017. And calculated the elasticity of the impact of total export-import volume and urbanization rate on emissions. The empirical results indicate that economic development and sulfur dioxide emissions are positively correlated in the three regions of East, Middle and West. In the eastern region, when the economic scale is lower than the threshold value, it has a negative impact on SO2 emissions; but when it is higher than the threshold value, it has a positive impact on SO2 emissions, and the smoothing rate between the two regime is slow. The per capita GDP in the middle and western regions is weakly positively correlated with SO2 emissions. When the economic scale reaches the threshold value, its positive impact on SO2 emissions will increase, and economic development will further increase emissions.

Poverty vulnerability is an important indicator to achieve sustainable development of farmers out of poverty in China. Based on the data of China Family Panel Studies (CFPS) 2018, we research the impact and mechanism of Internet use on the poverty vulnerability of farmers in the context of the Internet plus strategy. The study found that under the poverty line of US $1.9 and US $3.1, vulnerable farmers accounted for 9.48% and 33.88% of the total sample, respectively. The use of the Internet can significantly reduce the poverty vulnerability of farmers. After using instrumental variables to overcome endogenous problems, and using the PSM method for robustness testing, the research conclusions are still valid. The mechanism shows that the use of the Internet reduces the level of poverty vulnerability by increasing income levels, enhancing the ability of farmers to obtain information, and promoting non-agricultural employment. Therefore, in the process of establishing and improving the long-term mechanism for poverty governance, it is necessary to fully promote the integration of the Internet and poverty vulnerabilities to further realize the long-term effectiveness and stability of poverty governance. Therefore, in the process of establishing and improving the long-term mechanism of poverty governance, we should first promote the full coverage of Internet infrastructure. Second, the government should improve the digital literacy of farmers. Third, the goal of the Internet plus strategy in the process of poverty control should be precise.

There is a convergence between technologists, visionaries, corporations, academics, and policymakers on the expected trend of intelligent transportation systems (ITS). The related infrastructure and vehicles of the future will essentially have four key attributes, they will be: electric, autonomous, connected, and shared. In this article, we attempt to underscore the complementary need of both sensors and connectivity for highly autonomous vehicles. The technical requirement for vehicular interconnectivity and the overall system performance under the anticipated 5G standard is discussed. Open challenges that will require extensive research by the scientific engineering community before real-world mass deployment of highly autonomous vehicles are also highlighted.