This paper studies the effects of enforcement on illegal behavior in the context of a large aerial spraying program designed to curb coca cultivation in Colombia. In 2006, the Colombian government pledged not to spray a 10 km band around the frontier with Ecuador due to diplomatic frictions...

There is not general consensus about if women are more or less generous than men. Although the number of papers supporting more generous females is a bit larger than the opposed it is not possible to establish any definitive and systematic gender bias. This paper provides new evidence on this...