For spatial data with a sufficiently long time dimension, the concept of global cointegration has been recently included in the econometrics research agenda. Global cointegration arises when non-stationary time series are cointegrated both within and between spatial units. In this paper, we...

Over one million firms around the world have adopted a Quality Management System (QMS) that conforms to ISO 9001 certification in 2015 and recent figures show that certifications have rapidly increased in emerging economies. ISO 9001 is considered a signal of high quality for products or...