As pointed out in Amin e Mabe (2000, p. 1), the journal impact factor (IF) “has moved in recent years from an obscure bibliometric indicator to become the chief quantitative measure of the quality of a journal, its research papers, the researchers who wrote those papers, and even the...

Recent regulation on waste fees establishes the change from tax to tariff to cover the total management cost of the collection and selection services. It does not consider the external costs (externalities). This causes a distortion in the system of relative prices. In this paper, we focus on...