in mark-ups. Demand also suffered a conspicuous decline. Our results suggest that non-stressed countries seem to enjoy a … stronger recovery in terms of fundamentals like quantity TFP, demand and mark-ups than stressed countries. Yet, their overall …

Background: Groundwater is an important source of drinking water for the indigenous communities of Ebocha …-being. Underground wells are the primary supply of drinking water in the Niger Delta, and the groundwater is not always treated before …. Objectives: The aims of the research is to trace the sources and affecting factors of groundwater pollution via statistical and …