The literature has not sufficiently engaged in the emergence and expansion of the phenomenon of slave trade. This article estimates whether or not slave trade affects human trafficking using an Ordinary Least Squares (OLS) with standard errors that are consistent with heteroscedasticity. The...

This study investigates the relationship between social trust and intelligence. The extreme bound analysis of Levine and Renelt is employed to directly assess the strength of the nexus. The findings confirm the positive and robust nexus between social trust and intelligence. We have contributed...

We assess the correlations between intelligence and financial development in 123 countries using data averages from 2000-2010. Human capital is measured in terms of IQ, cognitive ability & cognitive skills, while financial development is appreciated both from financial intermediary and stock...

We present evidence that the practice of holding back poorly performing students affects estimates of the impact of class size on student outcomes based on within-school variation of cohort size over time. This type of variation is commonly used to identify class size effects. We build a...

This article examines the role of cognitive ability or intelligence on slave expor ts from Africa. We test a hypothesis that countries which were endowed with higher levels of cognitive ability were more likely to experience lower levels of slave exports from Africa probably due to comparatively...

We use international student assessment data on more than 22,000 students from six European countries and a regression discontinuity design to investigate whether the transition into daylight saving time (DST) affects elementary students’ test performance in the week after the time change. We...

Most school systems grant teachers and school principals considerable discretion in grade retention decisions. This paper argues that schools can exploit this discretion by selectively retaining students to reduce class size which potentially has important implications for public spending on...

One of the most disturbing contemporary episodes in human history that has been decried globally is the recent Libyan experience of slave trade, where migrants captured end-up being sold as slaves. We contribute to the understanding of this phenomenon by investigating the role of cognitive human...

This paper examines the effects of Asian segregation on academic performance of non-Asian students in New York City public primary schools. We use plausibly exogenous variation in the share of Asian students stemming from a fertility shock among the Asian population in the year of the Dragon,...