In order to understand if the regional integration process can be a mechanism for the provision of regional public goods, we started with the model by Olson (1965), who identifies the relevant variables for understanding how group members overcome their collective action dilemmas. Mercosur's and Andean Community's comparison regarding drug trafficking allows for the conclusion that in both agreements there is a suboptimal provision of public security, even though Mercosur presents a slight greater progress than the Andean Community.
public goods; regional integration; public security