Who watches the watchmen? In order to examine the role of the governance separation of powers principle in economics, we developed a theoretical model of a structurally failed market with and without political pressure. We conclude that if the executive branch is dedicated to its public duty,...

The objective of this paper is to suggest a visual method for identifying departures from normality of the innovations in times series models. The method is based on replacing the variance by the Gini as the measure of variability. The Gini methodology is a rank-based methodology, which takes...