Eco-efficiency and eco-productivity change over time in a multisectoral economic system ?
The paper presents an augmented Leontief input-output model extended by constraints of primary inputs. It integrates the materials balance principle into the measurement of eco-productivity change. Eco-efficiency is defined as the difference between the potential of an economy and its actual performance. A Luenberger productivity indicator is proposed to estimate eco-productivity change over time. The indicator allows examining the contributions of individual production factors and outputs to eco-productivity change.
data envelopment analysis luenberger indicator multi-objective optimisation neoclassical growth accounting