Filippini, Massimo; Tosetti, Elisa - 2014
data sets. We measure efficiency as a linear combination of a finite number of unobservable common factors, having … energy demand, and compute the level of the “underlying energy efficiency” for 24 OECD countries over the period 1980 to 2008 … and that they exhibit a long-run relation. The estimation of efficiency scores points at European countries as the more …
