ZAMAN, Gheorghe; GOSCHIN, Zizi - In: Romanian Journal of Economics 23 (2006) 2(32), pp. 7-12
Energy efficiency is correlated with many factors of influence: Gross National Income per capita, energy imports (% of energy use), renewable combustible and waste (% of total), energy use per capita, services as % of GDP and others. In this paper we are testing a model of piecewise linear...