Background: Many adolescents have a sleep debt. Individuals sleeping for their optimal sleep duration are expected to experience no sleepiness. Then, it is important to recognize one’s optimal sleep duration to reduc...
Backgrounds: Weekend catch-up sleep is the difference in sleep duration between the weekend and weekdays, and reflects sleep debt, whose significance is hypothesized to be altered by weekday sleep duration. This study...
This work is funded by the National Natural Science Foundation of China(Grant No.71372054);All authors contribute equally to this manuscript.
How latecomers from emerging countries catch up on technological innovation is an important topic for industrial practitioners,policymakers,and academic researchers.This study systematically reviews 37 empirical studi...
funded by grants from the Vaccine Preventable Diseases and Immunization(VDI)of World Health Organization Office in China(No.2020/1017283-0).
Introduction:In the early stages of the coronavirus disease 2019(COVID-19)epidemic in China,the highest level of public health emergency response(Level 1 Response)was launched in all province-level administrative divi...
The financial support from Chinese National Planning Office of Philosophy and Social Science(Project Title:Research on Trade Credit under Technology Innovation Strategy,Project No.:17CJY006);Surface Project of“Social Science Found of Shandong Province”(Project Title:Study on the Mechanism of Informal Finance Promoting Innovation in Shandong Province,Project No.:19CJJJ23);Key Project of“Shandong University Humanities and Social Sciences”(Project Title:the Mechanism of Commercial Credit Influencing Technological Innovation:an Empirical Study of Shandong Enterprises,Project No.:J17RZ005).
The main purpose of this paper is to test the production efficiency of different Chinese property industrial enterprises.Based on the large sample panel data of industrial enterprises of the National Bureau of Statist...
Varicocele is a comm on fin ding in men. Varicocele correcti on has bee n advocated for young patients with testicular hypotrophy, but there is a lack of morphofunctional follow-up data. We assessed whether percutaneo...
Objectives: The objectives of this article are to: 1) Determine the prevalence of parturient that escapes from the ETME, 2) Determine the rate of acceptability or non-acceptability of the HIV tests, 3) Describe the ep...
Introduction: Despite the enormous resources deployed and the success achieved in vaccination, reducing the number of children who remain unvaccinated remains a major operational challenge in certain countries. In 201...
Aim: To determine the prevalence of HBs antigen in secondary schools, to appreciate the vaccination coverage of viral hepatitis B and to propose a vaccine catch-up strategy. Materials and Methods: This was a prospecti...
part of the research results of the "middle income trap" project conducted by the CASS and the Asian Development Bank Institute(ADBI).Project leader:Cai Fang
A distortion is a departure from the allocation of economic resources from the state in which each agent maximizes his/her own welfare. Distortions can be divided into endogenous distortion(i.e. market imperfections) ...