In-service teacher training aims to improve the supply of public education. A randomized experiment was conducted in Mexico to test whether teacher training could increase teacher efficiency in public secondary schools. After seven and a half months of exposure to a trained teacher, students...

This study explores sex differences in language and socio-emotional skills. It focuses on children 7 months old to 6 years old in Chile in 2012 and Nicaragua in 2013. A focus on young children allowed for ruling out a set of environmental and identity effects to explain the gap. Females had an...

This study explores sex differences in language and socio-emotional skills on children 7 months to 6 years old in Latin-America. Females had a significant advantage in both dimensions. To our knowledge, this is the first study to document sex differences in these dimensions at a very young age....

In this paper, we present a meta-heuristic base on improved shuffled frog leaping algorithm (SFLA) to tackle the multi-objective problem (MOP). The SFLA is suitable to solve the single objective problem. For the multi-objective problem, one main issue is that how to evaluate the quality of two...

Over the years, more attention has been focused on the implementation than on the preparation of the research budget in the agricultural institutes of China, resulting in the unscientific and unreasonable budgeting of research funds. The practical implementation of the research funds has also...

In this paper, I extend the model in Coate and Loury (CL) (1993) to show how statistical discrimination by employers can help create gender wage gap for men and women with equal earning potentials. Given that employers do not perfectly observe a worker¡¯s skill type and partly rely on the...

This paper introduces the status quo of herdsman's settlement in Fuhai County of Xinjiang. As to the herdsman's settlement in this county, there are 5 models: centralized settlement, sporadic settlement, settlement along the river, striped settlement along hillside, flower-arrangement-style...