The opening up of the market in Colombia saw increased competition with the entry of new operators offering more flexible tariffs. The competitive advantage of each airline is vital and all are working to maximize benefits and minimize costs, and thus survive the negative effects of September...

This study reports results from a randomized evaluation of a mandatory six-month Internet-based sexual education course implemented across public junior high schools in 21 Colombian cities. Six months after finishing the course, the study finds a 0.4 standard deviation improvement in knowledge,...