The Commission's Guidance paper on exclusionary abuse under Article 82 EC is open to three fundamental criticisms. First, it leads to less legal certainty, because the rules suggested are vague and imprecise, because dominant companies will not have the information needed to apply them, and...

In order to enhance fiscal sustainability and regain “investment grade” credit rating, in 2011 Colombia implemented a fiscal rule (FR) on the Central Government's structural balance. Investment grade was rapidly attained, and FR targets were complied with, until 2019. Using the Synthetic...