This paper examines changes in diarrhea prevalence and treatment in Brazil between 1986 and 1996 and concludes that policies to prevent the disease should be targeted at disadvantaged socioeconomic groups.
We investigate how much value college enrollment adds to students' critical thinking, problem-solving and communication skills, and the role college inputs play in developing these competencies, using data from a 2009 collegiate assessment pilot study in Colombia.
It is unclear if vouchers increase educational productivity or are purely redistributive, benefiting recipients by giving them access to more desirable peers at others' expense. To examine this, the authors study an educational voucher programme in Colombia which allocated vouchers by lottery.
Exploring the intersection of neuroscience and anthropology can productively inform our understanding of the relationship between human brains and their socio-cultural contexts.
This study investigates the relationship between anthropometric markers (height and knee height), early-life conditions, education, and cognitive function in later life among urban elderly from Latin America and the Caribbean.
The illicit drug trade is the ultimate value-added chain. As cocaine and heroin make their perilous journeys from the fields of Colombia and Afghanistan to markets in U.S. and European cities, each border crossed and each trafficker involved adds dollars to a price, write Beau Kilmer And Peter Reuter.
While on a net basis the United States imports nearly 60 percent of the oil it consumes, this reliance on imported oil is not by itself a major national security threat. The study finds that the economic costs of a major disruption in global oil supplies—including higher prices for American consumers—pose the greatest risk to the United States.
Organized crime increasingly is involved in the piracy of feature films, with syndicates active along the entire supply chain from manufacture to street sales. While crime syndicates have added piracy to their criminal portfolios, the profits from film piracy also have been used on occasion to support the activities of terrorist groups.
This chapter presents evidence on the impact of a voucher program implemented in 1991 in Colombia. Specifically, the analysis is centered on the mechanism by which the program increased learning outcomes.
Six historic counterinsurgency operations are examined to determine which tactics, techniques, and procedures led to success and which led to failure, with the hope that U.S. counterinsurgency operations in the future can learn from past lessons.
Terrorist groups around the world with different ideologies and from different religious and ethnic backgrounds have improved their effectiveness by teaching each other deadly skills such as bomb-making and guerilla warfare techniques.
