The dynamics of oil prices in the past few years and their vertiginous rise observed during 2008 have captured the attention of academia and governments. This paper proposes an analysis of the petroleum market, making emphasis in the crude benchmarks WTI and Brent, the world reserves...

During the 1990s, household public services in Colombia went through an important reform: the entrance of the private sector was allowed and users could participate in the surveillance and control of these services. However, given the collective dimension and monopolistic character of most of...