This paper introduces new classes of bivariate time series models being useful to fit count data time series with a finite range of counts. Motivation comes mainly from the comparison of schemes for monitoring tourism demand, stock data, production and environmental processes. All models are...

Multiple interconnected crises and unravelling social contracts have created a challenging scenario for social development, democratic governance and the achievement of the Sustainable Development Goals (SDGs). At this critical juncture, the Club de Madrid has called upon its partners to rethink...

Multiple interconnected crises and unravelling social contracts have created a challenging scenario for social development, democratic governance and the achievement of the Sustainable Development Goals (SDGs). At this critical juncture, the Club de Madrid has called upon its partners to rethink...

Economic inequality is rapidly increasing in the majority of countries. The wealth of the world is divided in two: almost half going to the richest one percent; the other half to the remaining 99 percent. The World Economic Forum has identified this as a major risk to human progress. Extreme...