Portugal, USA, European Union and EuroZone as well as on some categories of aggregate consumption in Portugal. By the use of a … European Union and Euro Zone) is more persistent than in the USA and in Portugal. In particular, the relatively lower degree of … persistence shown by the consumption in Portugal can be beneficial for the effectiveness of the countercyclical fiscal and …

The goal of this paper is to test for the presence of long memory in final energy demand in Portugal. Our findings … suggest the presence of long memory in aggregate and disaggregate energy demand in Portugal. All fractional …