Uncorrected vision is prevalent among rural children and those who migrate from rural areas to urban areas with their parents in China, of which more than 20 per cent are nearsighted. Since 2012 the Rural Education Action Program (REAP) has carried out the largest empirical vision care project...

Farmers’ perceptions of climate risk reflect their subjective probability weighting bias, which are the prerequisite for their adaptation decisions and thus shape their actions. As an adaptation strategy, farmers prioritized the technological measures of chemical input as the most simple and...

Fehlsichtigkeit ist in China unter Kindern aus ländlichen Räumen weit verbreitet. Mehr als 20 Prozent dieser Kinder, die noch in Dörfern leben oder mit ihren Eltern vom Land in die Stadt abgewandert sind, leiden an Kurzsichtigkeit. Eine augenheilkundliche Behandlung erfolgt oft nicht. Seit...

Background: We investigated the determination of the pledged loan-to-value ratio in an optionpricing environment and mainly articulated the theoretical framework and analytical method. Methods: The basic idea is that the present value of the pledged loan payoff is equal to a put option's...

The availabilities of debt for Chinese firms have been increased since 2008 due to the expansionary monetary policies. These policies triggered concerns over the impact of debt financing on firms' technological innovation activities. Based on a sample of 225 listed computer and...

This paper presents an all-digital real-time co-simulation platform of refined Wind Energy Conversion System (WECS) model. The proposed platform is based on the Real-time Digital Simulator (RTDS) and FAST developed by National Renewable Energy Laboratory (NREL). The detailed generator and...